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. 2018 Oct 10;13(10):e0205371. doi: 10.1371/journal.pone.0205371

Table 2. Comparison retention time, signal-to-noise ratio(S/N) and monitored ion of drugs when hydrogen or helium is used as the carrier gas.

Drug Carrier gas Retention time
(min)		 S/N Monitored ion
(m/z)
Acetaminophen H2 16.227 562.29 151, 109, 80, 83*
He 17.045 415.15 109, 151, 43*, 80
Acetildenafil H2 41.707 529.77 127, 70, 84, 42, 112, 56, 98
He 44.943 159.15 127, 70, 84, 42, 112, 56, 98
Acetohexamide H2 19.500 177.45 199, 184, 120*, 104, 91, 76, 64*, 51*
He 20.254 238.09 184, 199, 76, 121*, 43*, 139*, 91, 104
Allopurinol H2 22.872 797.93 136, 52, 109, 120, 67
He 20.159 18.05 136, 52, 29*, 109, 67,120
Aminopyrine H2 19.323 2492.34 231, 97, 77, 56
He 20.163 3188.28 231, 56, 97, 77
Aminotadalafil H2 46.301 131.81 390, 262, 204, 289, 233, 102, 169, 375, 43*, 405*
He 49.941 133.16 390, 204, 262, 289, 169, 233, 115*, 169, 102, 375
Amitripthyline H2 22.689 71.28 277, 202, 178, 152, 115, 91, 58
He 23.578 144.76 277, 58, 202, 178, 115, 91, 152
Amphetamine H2 6.278 84.52 44, 91,65,120
He 6.103 575.81 44, 91,65,120
Aspirin H2 8.926 138.22 120, 92, 152*, 65, 45*
He 9.762 80.64 92, 120, 138*, 64*, 65
Atenolol H2 25.113 12505.57 222, 107, 72
He 25.693 3581.62 72, 107, 222
Atropine H2 22.698 1471.07 124, 82, 94, 289, 140, 67, 103,42
He 23.598 1486.90 124, 82, 94, 289, 140, 67, 42, 103
Barbital H2 13.361 204.84 156, 141, 98, 112, 55, 41, 83, 69
He 14.160 776.86 156, 141, 98, 55, 112, 41, 83, 69
Benzbromarone H2 28.290 204.84 264, 173, 279, 115, 249, 328, 145, 132*, 221
He 29.169 6448.86 264, 173, 115, 279, 249, 328, 145, 63*, 221
Benzocaine H2 14.195 302.25 165, 120, 92, 65
He 15.094 184.07 120, 165, 92, 65
Betamethasone H2 29.912 273.45 312, 281*, 207, 160, 122, 91, 55
He 30.794 381.89 122, 312, 91, 160, 207, 41, 55, 77*
Bezafibrate H2 26.950 6036.33 120, 139, 107, 77*, 156
He 27.690 20.97 120, 139, 205*, 107, 156
Bisacodyl H2 29.089 23138.37 361, 319, 276, 246*, 199, 154
He 29.996 18519.59 361, 276, 277*, 199, 319, 43*, 318*, 183*, 278*, 154
Bromhexine H2 24.672 240565.29 376, 293, 264, 112, 70, 374*
He 25.592 1374605.79 376, 293, 264, 305*, 112, 70
Brompheniramine H2 21.654 1070326.01 247, 58, 167, 72, 180, 42, 139
He 22.569 572.47 247, 58, 167, 72, 180, 42, 139
Bromvalerylurea H2 12.902 18.40 137, 44, 100, 55, 83, 69, 120*
He 13.809 43670.57 137, 44, 83, 180*, 100, 55, 69
Bucetin H2 20.613 1837.10 223, 137, 108, 81, 53*
He 21.466 1406.13 137, 108, 223, 45*, 81
Caffeine H2 18.055 165.90 194, 109, 67
He 18.878 283.12 194, 109, 67, 55*, 82*
Carbetapentane H2 23.311 1995.44 86, 144, 115, 100, 58
He 24.158 4056.80 86, 144, 115, 100, 58
Carbimazole H2 15.606 417.25 186, 114, 72, 81, 42, 56, 127,141
He 16.519 1395.15 186, 114, 72, 81, 141, 42, 56, 127
Carbinoxamine H2 21.362 124.32 201, 167, 139*, 71
He 22.248 181.70 201, 167, 58*, 71
Carbodenafil H2 43.793 249.58 84, 56, 70, 381, 452, 339, 311, 42, 113, 136*
He 47.202 96.80 84, 97*, 56, 70, 381, 452, 339, 311, 42, 113
Carisoprodol H2 18.770 36.02 245, 184, 158, 97, 83*, 69*, 55
He 19.689 20.54 245, 158, 97, 184, 55, 58*, 43*
Chloramphenicol H2 27.569 2199.59 207, 172,153, 106, 77
He 28.303 1989.30 207, 153, 172, 77, 106
Chlordiazepoxide H2 29.238 170.17 282, 247, 220, 190, 165, 124*, 91
He 30.310 246.65 282, 241*, 247, 220, 165, 190, 91
Chlormezanone H2 23.419 3689.22 208, 174, 152, 125, 98, 69
He 24.275 364.87 152, 208, 174, 98, 125, 69
Chlorpheniramine H2 20.445 377.13 203, 58, 167, 72, 180, 42
He 21.356 660.96 203, 58, 167, 72, 180, 42
Chlorpromazine H2 25.943 393651.65 318, 272, 232, 196, 86, 58
He 26.863 1034722.73 318, 58, 86, 272, 232, 196
Chlorpropamide H2 16.426 413.58 190, 174, 127, 111, 75
He 17.211 334.36 190, 111, 174, 127, 75
Chlorzoxazone H2 16.681 1126.98 169, 113, 78
He 17.724 428.48 169, 113, 78
Cimetidine H2 5.722 101.59 45, 116, 55, 70, 60, 74, 42, 88*
He 6.651 305.40 116, 45, 55, 60, 70, 74, 42, 99*
Cinnarizine H2 31.221 640.13 201, 117, 167, 251, 152, 91
He 32.229 1610.46 201, 117, 167, 251, 152, 91
Clobenzorex H2 19.892 568.16 168, 127, 91, 65
He 20.798 829.80 168, 127, 91, 65
Clofibrate H2 13.722 657.00 242, 169, 128
He 14.588 1238.64 128, 242, 169
Cocaine H2 22.792 28.65 182, 82, 303, 105, 272, 198, 122, 51
He 23.671 1156.47 182, 82, 303, 105, 272, 198, 122, 51
Colchicine H2 33.875 133.19 399, 371, 312, 281, 254*
He 35.326 126.04 312, 399, 371, 297*, 281
Cortisone H2 27.709 131.20 122, 300, 91, 256, 105, 77, 147, 161, 55
He 28.650 328.98 122, 300, 91, 256, 161, 147, 105, 55, 77
7-keto-DHEA H2 28.240 616.13 302, 161, 91, 79, 105, 134, 187, 55, 41, 205
He 29.196 3160.69 302, 161, 91, 79, 105, 134, 187, 55, 41, 205
N-Desmethylsibutramine H2 18.139 8921.42 100, 58, 44, 137, 128, 115
He 18.993 57424.38 100, 58, 44, 137, 128, 115
N-Didesmethylsibutramine H2 18.111 4950.37 137, 115, 86
He 18.989 2657.67 86, 137, 115
Dexamethasone H2 29.940 336.90 312, 160, 122, 91, 55
He 30.655 478.25 122, 312, 160, 91, 55
Dextromethorphan H2 22.049 684403.48 271, 150, 214, 59, 171, 203, 128
He 23.199 601.70 271, 59, 150, 214, 171, 203, 128
Diazepam H2 25.356 191.73 283, 256, 221, 165, 77, 51
He 26.238 790.25 283, 256, 221, 165, 77, 51
Dibucaine H2 27.963 325.46 116, 86, 58
He 28.855 689.64 116, 86, 58
Diclofenac H2 21.958 530.12 295, 242, 214, 179, 151
He 22.816 979.97 214, 295, 242, 179, 151
Dicyclomine H2 21.505 853.46 86, 55
He 22.375 5338.38 86, 99*, 55
Diethylpropion H2 12.933 254.89 100, 77, 51
He 13.797 995.63 100, 77, 51
Diethylstilbestrol H2 23.917 2535.31 268, 239, 145, 107
He 24.749 681.06 268, 107, 239, 145
Dimethylsildenafil H2 45.707 227.53 113, 312, 70, 84, 42, 283, 136
He 49.312 34.59 113, 312, 70, 84, 42, 283, 136
Diphenhydramine H2 18.661 728.26 165, 58
He 19.511 1728.75 165, 58
Diphenylhydantoin H2 24.361 52.21 180, 223, 209, 252, 104, 77, 165, 147, 51
He 25.460 47.80 180, 104, 223, 209, 252, 77, 165, 51, 147
Diprophylline H2 24.230 165.79 254, 223, 180, 137, 109, 81, 54
He 25.116 677.65 223, 254, 180, 109, 137, 81, 54
Econazole H2 29.123 312.59 299, 207, 125, 81, 54
He 30.013 73.59 125, 81, 299, 207, 54
Estradiol benzoate H2 35.659 4236.99 376, 105, 77
He 37.513 1810.32 376, 105, 77
Estriol H2 29.054 707.09 288, 160, 146, 213, 133, 172, 201, 115, 185
He 30.055 124.67 288, 160, 146, 213, 133, 172, 201, 115, 185
Estrone H2 26.785 108.53 270, 146, 185, 213
He 27.759 247.64 270, 146, 185, 213
Ethinylestradiol H2 27.594 109.99 213, 296, 160, 133, 145, 228, 172, 185, 115
He 28.434 146.01 213, 296, 160, 133, 228, 145, 172, 185, 115
Ethisterone H2 27.721 21.79 124, 312, 91, 229, 245, 79, 105, 148, 286, 189, 67
He 28.612 78.02 124, 312, 91, 79, 229, 245, 105, 148, 189, 67, 286
Ethoxybenzamide H2 14.651 1578.34 165, 150, 120, 92, 65
He 15.526 1168.66 120, 92, 150, 165, 65
Ethylestrenol H2 24.277 3402.39 216, 241, 201, 288, 91, 270, 79, 121, 147, 105
He 25.155 1896.52 216, 201, 241, 91, 79, 288, 270, 121, 147, 105
Fenfluramine H2 7.506 4201.59 159, 109, 72, 56*
He 8.267 8752.19 72, 159, 109, 44*
Finasteride H2 33.484 208.98 372, 110, 58, 272, 357, 258, 128, 230, 72, 245
He 34.822 168.39 372, 58, 110, 272, 357, 258, 128, 230, 72, 245
Flavoxate H2 32.588 218.77 263, 234, 147, 98
He 33.827 681.91 98, 234, 147, 263
Fluoxetine H2 18.599 4320.42 309, 183, 162, 133, 104, 78*, 59
He 19.489 10859.57 309, 183, 162, 133, 44*, 104, 59
Fluoxymesterone H2 29.797 83968.78 336, 279, 109, 71
He 30.742 145899.76 336, 279, 71, 109
Gemfibrozil H2 19.329 1655.20 250, 122
He 20.183 1357.76 250, 122
Gendenafil H2 31.414 520.43 354, 326, 339, 136, 166, 282, 43, 311, 297
He 31.414 514.07 354, 326, 339, 136, 166, 282, 43, 311, 297
Griseofulvin H2 28.131 1108.72 352, 310, 284, 254, 214, 171, 138, 95, 69
He 28.949 3255.28 352, 310, 138, 214, 284, 254, 69, 171, 95
Guaifenesin H2 15.537 1687.05 124,109,198,77,95,65,52,167,149
He 16.375 3642.70 124, 109, 198, 77, 81, 95, 65, 52, 167
Homatropine H2 21.349 142.55 275, 124, 79
He 22.276 514.41 124, 275, 79
Homosildenafil H2 48.785 451.37 113, 70, 281*, 56, 42, 207, 355, 341, 309, 253
He 53.164 463.73 113, 404*, 70, 56, 42, 207, 355, 341, 309, 253
Hydralazine H2 19.201 343.84 160, 103, 131, 115, 89, 76, 145, 63, 50
He 18.044 408.02 160, 103, 131, 115, 89, 76, 145, 63, 50
Hydrocortisone H2 29.064 187.65 305*, 163, 123, 91, 55
He 29.931 458.36 285*, 362*, 163, 123, 91, 55
Ibuprofen H2 15.040 1090.68 206, 161, 117, 91, 65
He 15.817 674.69 161, 206, 117, 91, 65
Imidazosagatriazinone H2 27.187 9066.54 312, 284, 136, 240
He 27.969 4361.89 312, 284, 136, 240
Indomethacin H2 30.571 1204.53 139, 313*, 111, 75
He 27.765 24.57 139, 357*, 111, 75
Ketoprofen H2 22.913 54.02 105, 177, 209, 77, 254, 45*, 194, 131, 165
He 23.701 158.29 105, 77, 177, 209, 254, 51*, 194, 131, 165
Lidocaine H2 18.667 745.66 234, 120, 86, 58
He 19.537 2480.92 86, 234, 120, 58
Lorazepam H2 25.073 80.39 239, 274, 302, 75, 138, 177, 111, 203, 163, 100
He 25.916 448.96 239, 274, 302, 75, 138, 177, 111, 203, 163, 100
Mazindol H2 24.604 3833.98 266, 231, 204, 176, 128, 102, 75
He 25.835 382.97 266, 231, 204, 176, 128, 102, 75
Mefenamic acid H2 22.179 2403.18 241, 223, 180, 152, 102*
He 22.732 186.25 223, 241, 180, 77*, 152
Melatonin H2 24.765 855.84 232, 172, 160, 145, 130, 117, 102, 89
He 25.586 834.77 160, 172, 232, 145, 117, 130, 102, 89
Mephenesin H2 14.300 44.99 182, 108, 91
He 15.027 2776.31 108, 182, 91
Mephentermine H2 9.224 3957.33 72, 91, 148, 56, 42, 115
He 8.883 1232.24 72, 91, 148, 56, 42, 115
Meprobamate H2 17.741 904.61 83, 55, 43, 71, 62, 96, 114, 144, 101
He 18.516 2359.60 83, 55, 71, 62, 96, 114, 144, 101, 43
Methamphetamine H2 6.505 2216.40 58, 91, 65, 134, 42, 115, 119*
He 7.195 3184.90 58, 91, 65, 56*, 134, 42, 115
Methandriol H2 26.350 74.00 253, 213, 271, 304, 105, 145, 286, 228, 119, 159
He 27.230 305.46 253, 213, 304, 105, 145, 271, 286, 228, 119, 159
Methandrostenolone H2 27.749 76.18 122, 91, 161, 147, 105, 134, 77
He 28.686 360.69 122, 91, 161, 147, 105, 134, 77
Methaqualone H2 22.282 1208.48 250, 91, 132, 65, 77, 217, 117, 50, 104*
He 23.192 3143.27 235*, 250, 91, 132, 65, 77, 217, 117, 50
Metharbital H2 12.212 2739.29 155, 112, 83, 55
He 12.953 2922.10 155, 170*, 112, 83, 55
Methimazole H2 13.837 140.23 114, 72, 81, 42, 54, 86, 59
He 14.903 213.63 114, 72, 42, 81, 54, 86, 59
Methylprednisolone H2 29.813 457.10 136, 91, 55*
He 30.677 1796.27 136, 91, 121*
Methyltestosterone H2 27.435 26731.78 302, 229, 202, 161, 124, 91
He 28.384 1780.50 302, 124, 91, 229, 202, 161
Metoclopramide H2 27.217 5295.57 184, 86, 58
He 28.034 8438.34 86, 184, 58
Metronidazole H2 15.394 443.85 171, 124, 81, 53
He 16.174 423.83 124, 81, 171, 53
Minoxidil H2 20.855 91.48 193, 164, 138, 110, 84, 67
He 21.700 1697.28 193, 164, 110, 138, 84, 67
Morphine H2 25.421 592.33 285, 162, 42, 215, 115, 55, 65, 92, 81
He 26.311 2101.32 285, 162, 42, 215, 115, 55, 65, 92, 81
Nalidixic acid H2 25.020 2964.06 188, 160, 132, 173, 145, 104, 232, 77
He 25.602 4290.93 188, 160, 132, 173, 145, 104, 232, 77
Nandrolone H2 25.593 112.00 274, 215, 173*, 147, 119, 91, 67
He 27.554 413.47 274, 110*, 91, 67, 119, 215, 147
Naproxen H2 21.384 479.13 230, 185, 170, 141, 115
He 31.254 21.76 185, 230, 170, 141, 115
Nifedipine H2 26.652 2198.09 329, 284, 224, 268, 254, 195, 180
He 27.496 8691.50 329, 284, 224, 268, 254, 195, 180
Noracetildenafil H2 39.756 143.98 113, 70, 42, 56, 98, 207, 311, 452, 136, 354
He 42.433 144.95 113, 70, 42, 56, 98, 207, 452, 311, 136, 354
Norethisterone H2 27.236 237.22 298, 283*, 265
He 28.102 855.06 298, 231*, 265
Orphenadrine H2 19.556 345.15 58, 73, 165, 178, 45
He 20.419 1799.00 58, 73, 165, 178, 45
Oxethazaine H2 26.450 198.46 114, 86, 213, 56, 133, 72, 304
He 27.281 289.85 114, 86, 56, 213, 133, 72, 304
Oxymetholone H2 28.615 8872.16 174, 275, 332, 43, 161, 91, 81, 71, 216, 107
He 29.471 16927.40 174, 332, 275, 216, 161, 107, 43, 91, 81, 71
Oxyphenbutazone H2 30.658 324.39 93, 45*, 55, 69, 161, 193*, 77, 249*
He 31.419 312.73 93, 199*, 77, 324*, 55, 69, 161
Pentazocine H2 23.647 451.43 217, 202, 285, 110, 270, 70, 45, 159, 173
He 24.505 1600.48 217, 202, 110, 285, 270, 70, 45, 159, 173
Phenacetin H2 16.184 2534.87 179, 137, 108, 80, 65, 53
He 17.017 1248.32 108, 179, 137, 80, 65, 53
Phenazopyridine H2 23.833 1046.17 213, 108, 81, 54, 136, 97*, 184, 66, 155
He 24.670 660.83 213, 108, 81, 136, 54, 184, 66, 51*, 155
Phenformin H2 14.011 274.32 146, 104, 91, 77, 65
He 14.844 412.63 91, 146, 104, 77, 65
Phenobarbital H2 20.141 3530.71 204, 117, 232, 161, 146, 103, 77, 91, 174
He 20.996 2851.29 204, 117, 232, 161, 146, 77, 103, 91, 174
Phenolphthalein H2 31.728 255.45 318, 274, 225, 181, 152, 104*, 65
He 32.746 765.90 274, 318, 225, 181, 152, 121*, 65
Phentermine H2 6.160 2271.97 70, 91, 105, 58, 65, 115, 41, 115
He 6.779 3375.10 70, 91, 105, 58, 65, 115, 41, 115
Phentolamine H2 26.987 42.57 199, 183, 91, 154, 77, 128, 170
He 27.784 117.12 199, 183, 91, 154, 77, 128, 170
Phenylbutazone H2 24.709 3051.14 308, 252, 183, 152, 105, 77
He 25.543 5464.75 183, 308, 252, 77, 152, 105
Phenylephrine H2 18.847 94.46 135, 44, 107, 179, 160, 77, 51, 91
He 16.485 224.29 135, 44, 107, 179, 160, 77, 51, 91
Phenylpropanolamine H2 9.731 236.24 44, 77, 105, 51, 117, 91
He 10.797 1849.14 44, 77, 51, 105, 117, 91
Piperidenafil H2 44.617 128.79 431, 459, 283, 67, 42, 84, 121, 135, 149, 215
He 48.328 21.36 431, 459, 283, 67, 42, 84, 121, 135, 149, 215
Pirenzepine H2 31.102 253.75 351, 281, 211, 113, 70
He 32.009 358.14 113, 70, 211, 351, 281
Piroxicam H2 16.877 1640.49 104, 76, 43, 152, 169, 118, 386*, 211, 91
He 17.665 652.90 104, 152, 76, 43, 169, 118, 211, 91
Prednisolone H2 29.312 68.40 122, 91, 55
He 30.225 1015.08 122, 91, 55
Prednisone H2 27.889 417.77 298, 245, 226, 186, 160, 131, 115, 91
He 28.785 534.87 298, 160, 91, 245, 226, 186, 131, 115
Primidone H2 23.472 1344.44 146, 190, 117, 161, 103, 91, 77, 174
He 24.067 1431.77 190, 146, 117, 161, 103, 91, 77, 174
Probenecid H2 22.941 295.85 270, 135, 199, 104, 76, 43
He 23.788 142.22 270, 135, 199, 104, 76, 43
Procaine H2 20.737 341.47 86, 99, 120, 65, 56, 164
He 21.644 523.45 86, 99, 120, 164, 65, 56
Progesterone H2 28.663 54.72 314, 272, 229, 147, 124, 91, 67
He 29.599 358.43 124, 314, 272, 229, 91, 67, 147
Propantheline H2 24.358 735.98 86, 181, 310, 99, 152, 44, 58, 325, 127, 71
He 25.183 3169.32 86, 181, 44, 99, 310, 152, 58, 325, 127, 71
Propranolol H2 22.279 745.35 259, 215, 144, 115, 72
He 23.188 3138.57 72, 115, 144, 259, 215
Quinine H2 28.967 2199.60 189, 160, 136
He 29.839 4577.02 136, 189, 160
Ranitidine I H2 21.701 272.14 235, 137, 94, 67
He 22.514 497.94 137, 235, 94, 67
Ranitidine II H2 28.971 279.25
He 29.960 1175.13
Rimonabant H2 35.656 601.19 84, 363, 55, 99, 282, 335, 299, 41, 380, 145, 462*
He 37.392 1808.45 84, 55, 99, 363, 282, 335, 299, 41, 380, 111*, 145
Salicylamide H2 12.103 1129.40 120, 137, 92, 65, 53, 44, 80
He 12.979 457.91 120, 137, 92, 65, 53, 44, 80
Salicylic acid H2 9.100 1859.82 120, 92, 138, 64, 46
He 9.655 1343.64 120, 92, 138, 64, 46
Scopolamine H2 24.172 1502.23 94, 138, 108, 154, 303
He 25.121 3631.33 94, 138, 108, 154, 303
Secobarbital H2 17.809 2691.55 195, 168, 124, 97, 53
He 18.684 1204.76 168, 195, 97, 124, 53
Sibutramine H2 18.276 16371.68 114, 72, 58, 101, 128, 137
He 19.109 5010.93 114, 72, 58, 101, 128, 137
Sildenafil H2 45.447 145.57 404, 281*, 207, 99, 56
He 49.500 17.60 99, 404, 56, 283*, 207
Stanozolol H2 31.003 163.95 96, 328, 257, 270, 133, 119, 175
He 32.022 335.89 96, 328, 257, 270, 133, 119, 175
Strychnine H2 31.979 2444.29 334, 167, 130, 107, 77, 55
He 33.167 296.67 334, 167, 130, 107, 77, 55
Sulfadiazine H2 26.540 512.14 185, 92, 65, 108
He 27.429 756.37 185, 92, 65, 108
Sulfadimethoxine I H2 28.890 219.77 259, 140, 92, 65, 168, 108, 121, 82, 187
He 29.806 639.59 259, 140, 92, 65, 168, 108, 121, 82, 187
Sulfadimethoxine II H2 29.269 364.43
He 30.114 208.79
Sulfamerazine H2 27.012 801.84 199, 92, 65
He 27.910 1340.67 200*, 199, 92, 65
Sulfamethazine H2 27.373 2275.83 213, 92, 65
He 28.212 1074.36 214*, 213, 92, 65
Sulfamethoxazole H2 25.579 1070.19 92, 108, 65, 156, 119, 162, 174, 43*, 140*
He 26.156 910.57 92, 156, 108, 65, 162, 119, 253*, 174, 189*
Sulfamethoxypyridazine H2 28.799 157.78 215, 92, 108, 65, 53, 80, 280
He 29.673 214.35 215, 92, 65, 108, 53, 280, 80
Sulfanilamide H2 20.112 263.20 172, 92, 65
He 20.718 202.79 172, 92, 65, 108*
Sulfinpyrazone H2 23.429 761.20 278, 249, 209, 183, 152, 130, 105, 77, 51
He 24.242 1169.11 278, 77, 105, 130, 51, 249, 209, 183, 152
Sulindac H2 29.207 198.68 233, 297, 312, 248, 67, 123, 47, 133, 220
He 30.083 516.90 297, 233, 312, 248,123, 220, 67, 47, 133
Synephrine H2 15.602 43.68 135*, 44, 107, 179*, 160*, 77, 51, 91
He 16.281 35.97 44, 77, 108*, 107, 65*, 51, 91
Tadalafil H2 41.729 1803.01 389, 262, 204, 169
He 44.673 79.24 389, 262, 204, 169
Terbinafine H2 23.292 289.12 141, 276, 234, 115, 291, 196
He 24.139 1216.53 141, 276, 115, 234, 291, 196
Testosterone H2 27.168 65.84 288, 246, 203, 147, 124, 91, 55
He 28.115 328.53 124, 288, 246, 147, 203, 91, 55
Tetracaine H2 23.189 5752.14 58, 71, 176, 150, 105, 193, 92
He 24.012 3991.85 58, 71, 176, 150, 105, 193, 92
Theobromine H2 19.022 23.33 180, 67, 109, 55, 82, 137, 42, 94
He 19.157 142.02 180, 67, 55, 109, 82, 137, 42, 94
Theophylline H2 20.324 33.21 180, 95, 68, 53
He 21.141 246.52 180, 95, 68, 53
Thiodimethylsildenafil H2 40.912 33.32 113, 70, 42*, 84, 328*, 343, 56
He 43.571 48.61 113, 340*, 70, 84, 283*, 56, 343
Thiohomosildenafil H2 50.969 202.81 113, 70, 56, 475, 98, 42, 327, 341, 269, 84
He 55.952 201.35 113, 70, 56, 475, 98, 42, 327, 341, 269, 84
Thioridazine H2 31.712 366.09 370, 244, 185, 126, 98, 70
He 32.798 120.18 98, 370, 70, 185, 244, 126
Thiosildenafil H2 47.756 296.39 99, 448, 56, 489, 425, 70, 207
He 51.652 355.43 99, 448, 56, 70, 489, 425, 207
Tinidazole H2 21.175 776.12 201, 123, 80, 68, 93, 107, 53, 154, 247
He 21.921 3229.62 201, 53, 80, 123, 68, 93, 107, 154, 247
Tolbutamide H2 15.612 426.74 91, 171, 155, 65, 107, 77, 197
He 16.398 684.97 91, 171, 155, 65, 107, 77, 197
Vardenafil analogue H2 27.628 5472.86 284, 312, 256, 67, 297, 120, 269, 93, 135
He 28.462 2912.76 284, 312, 256, 297, 67, 120, 269, 93, 135
Yohimbine H2 32.330 1464.36 353, 169
He 33.427 1587.82 353, 169
Zolpidem H2 28.784 378.38 235, 207, 219, 281*, 307, 65, 92, 191
He 29.717 205.59 235, 307, 219, 92, 65, 191, 207
Cetilistat H2 13.943 218.91 177, 160, 133, 55, 104, 77, 401
He 14.692 234.20 177, 160, 133, 104, 55, 77, 401

*represent the differences between the H2 and He ions.