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| No. | RT (min) | Identified compound | [M − H]− | MS2 ions | Molecular formula | |||
|---|---|---|---|---|---|---|---|---|
| [M − H–CO2]− | [M − H–CO2–H2O]− | [M − H–2CO2]− | [M − H–2CO2–H2O]− | |||||
| 1 | 11.44 | Laccaic acid E | 494.0721 | 450.0824 | 432.1078 | 406.1851 | 388.2111 | C24H17NO11 |
| 2 | 11.44 | Laccaic acid C | 538.0618 | 494.0135 | 476.0724 | 450.1301 | 432.0715 | C25H17NO13 |
| 3 | 14.57 | Laccaic acid B | 495.0569 | 451.2950 | 433.2215 | 407.1001 | 389.1102 | C24H16O12 |
| 4 | 14.57 | Laccaic acid A | 536.0829 | 492.2720 | 474.2318 | 448.2780 | 430.2499 | C26H19NO12 |
