Table 3. CID mass spectra of [M+H]+, [M+Na]+, and [M+K]+ ions from compounds 1–6 [m/z (relative abundance, %)].(a).
| Parent ion | Product ions | |
|---|---|---|
| [1+H]+ | 358 (10) | 163 (100); 121 (4) |
| [1+Na]+ | 380 (58) | 304 (30); 260 (15); 203(100) |
| [2+H]+ | 419 (3) | 163 (100); 121 (3) |
| [2+Na]+ | 441 (40) | 319 (100); 290 (8); 246 (7); 185 (12); 127 (4) |
| [2+K]+ | 457 (80) | 335 (100); 306 (9); 261 (5); 39 (8) |
| [3+H]+ | 434 (4) | 163 (100); 121 (4) |
| [3+Na]+ | 456 (60) | 412 (9); 380 (100) |
| [3+K]+ | 472 (90) | 428 (7); 396 (100) |
| [4+H]+ | 495 (1) | 163 (100); 121 (4) |
| [4+Na]+ | 517 (30) | 395 (80); 366 (100); 321 (9); 201 (10) |
| [4+K]+ | 533 (57) | 411 (100); 382 (90); 353 (5); 163 (5) |
| [5+H]+ | 463 (100) | 421 (25); 389 (30); 227 (95); 163 (37); 121 (8) |
| [5+Na]+(b) | 485 (100) | 249 (70); 163 (30); 121 (23) |
| [6+H]+ | 507 (100) | 465 (60); 315 (40); 163 (30) |
| [6+Na]+(b) | 529 (100) | 411 (23); 337 (15); 249 (46); 185 (38) |
| [6+K]+(c) | 545 (100) | 513 (11); 265 (9); 121 (4) |
a) Collision energy (Elab) is 5 eV for [M+H]+ ions and 15 eV for [M+Na]+ and [M+K]+ ions, unless otherwise stated. b) Collision energy (Elab) 20 eV for [5+Na]+ and [6+Na]+ ions. c) Collision energy (Elab) 30 eV for [6+K]+ ions.