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Liquid chromatography-mass spectrometry data for cryptolepine and the proposed metabolites (adapted from Donkor [62]).
| Metabolite/parent compound | Retention time (min) | The proposed MH+ formula | Measured m/z |
|---|---|---|---|
| M1 | 12.9 | C22H21N2O6 | 409.1394 |
| M2 | 14.8 | C22H21N2O7 | 425.1344 |
| M3 | 14.8 | C16H15N2O2 | 267.1129 |
| M4 | 15.8 | C22H21N2O7 | 425.1343 |
| M5 | 17.1 | C16H15N2O3 | 283.1078 |
| M6 | 18.1 | C16H13N2O | 249.1023 |
| M7 | 18.6 | C16H13N2O | 249.1022 |
| M8 | 18.7 | C22H21N2O8 | 441.1294 |
| M9 | 19.2 | C22H21N2O8 | 441.1292 |
| Cryptolepine | 18.5 | C16H13N2 | 233.1073 |
