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. 2023 Jun 15;14:1207928. doi: 10.3389/fphar.2023.1207928

TABLE 1.

Metabolites information of UA in RLM, HLM, and RLS9.

Metabolites Description RT (min) Formula Calculated Measured Fragment ions Source
[M-H]- mass mass
UA parent 10.141 C18H15O7 343.0812 343.0851 328.0610, 313.0366, 299.0944, 259.0635, 231.0678, 215.0358, 189.0566, 83.0137 RLM, RLS9, HLM
M1-1 hydroxylation 5.181 C18H15O8 359.0772 359.0714 231.0711, 155.0363 RLM, HLM
M1-2 hydroxylation 5.789 C18H15O8 359.0772 359.0789 344.0534, 302.0453, 258.0190 RLM, HLM
M1-3 hydroxylation 7.276 C18H15O8 359.0772 359.0784 344.0562, 341.0686, 326.0448, 311.0207, 298.0495, 283.0273, 275.0577, 257.0481, 229.0490, 83.0146 RLM, RLS9, HLM
M1-4 hydroxylation 8.262 C18H15O8 359.0772 359.0825 344.0568, 329.0334, 315.0916, 298.0522, 285.0437, 275.0589, 257.0476, 247.0627, 229.0542, 217.0537, 213.0611, 201.0577, 189.0571, 83.0157 RLM, RLS9
M1-5 hydroxylation 10.127 C18H15O8 359.0772 359.0777 344.0504, 301.0324, 257.0518, 233.0431, 229.0509, 203.0630, 69.0318 RLM, RLS9, HLM
M1-6 2×hydroxylation 4.483 C18H15O9 375.0721 375.0753 360.0503, 342.0504, 300.0265, 155.0727, 143.0888, 87.0077, 59.0145 RLM, HLM
M1-7 2×hydroxylation 4.791 C18H15O9 375.0721 375.0714 360.0493, 318.0382, 259.0258, 143.0707 RLM, RLS9
M1-8 2×hydroxylation 5.561 C18H15O9 375.0721 375.0741 357.0603, 342.0385, 313.0380 RLM, HLM
M1-9 2×hydroxylation 5.841 C18H15O9 375.0721 375.0709 360.0564, 333.0579, 302.0489, 191.0847 RLM, HLM
M1-10 2×hydroxylation 7.170 C18H15O9 375.0721 375.0710 357.0656, 313.0715, 299.0150 RLM, RLS9, HLM
M1-11 2×hydroxylation 8.159 C18H15O9 375.0721 375.0780 359.0776, 331.0914, 313.0345, 291.0529, 247.0649, 217.0594 RLM
M1-12 2×hydroxylation 10.050 C18H15O9 375.0721 375.0707 235.0623, 233.0468, 207.0597, 141.0211 RLM, HLM
M1-13 di-reduction 7.329 C18H19O7 347.1136 347.1150 231.0616, 85.0290 HLM
M1-14 hydroxylation + oxidation 5.409 C18H13O9 373.0565 373.0594 355.0445, 340.0265, 327.1500, 271.0197, 243.0248, 185.0775, 87.0060 HLM
M1-15 glucuronidation 5.357 C24H23O13 519.1144 519.1149 343.0838, 328.0622, 259.0636 RLM, HLM
M1-16 cysteine conjugation 5.107 C21H20NO9S 462.0864 462.0858 341.0663, 326.0430, 257.0468 HLM
M1-17 hydroxylation + glucuronidation 4.663 C24H23O14 535.1088 535.1092 517.1005, 499.0336, 341.0666, 326.0424, 297.0799, 257.0451, 83.0111 HLM
M1-18 hydroxylation + cysteine conjugation 4.726 C21H20NO10S 478.0813 478.0836 432.2950, 341.0665, 326.0339 HLM