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Mass spectrometer parameters.
| Parameters | Withanoside IV | Withaferin A | Withanolide A | Tianeptine |
|---|---|---|---|---|
| Molecular weight (Da) | 782.9 | 470.6 | 470.6 | 458.933 |
| Parent mass (m/z) | 827.4408 | 471.1711 | 471.185 | 437.0904 |
| Product mass (m/z) | 763.3592 | 94.95 | 263.1045 | 292.0991 |
| Collision energy (eV) | 32 | 50 | 26 | 38 |
| Cone voltage (eV) | 30 | 22 | 24 | 22 |
