Table 1. Optimized mass spectrometer parameters.
| Analytes | Precursor
ion (m/z) |
Fragment
ion (m/z) |
Cone voltage
(V) |
Collision
energy (eV) |
| 2-Oxo-CLP: 2-oxo-clopidogrel; CAMD: clopidogrel active metabolite derivative; IS: internal standard.
| ||||
| Clopidogrel | 322.0 | 212.0 | 22 | 15 |
| 2-Oxo-CLP | 338.0 | 183.0 | 24 | 17 |
| CAMD | 504.0 | 354.0 | 27 | 19 |
| IS | 430.0 | 372.0 | 28 | 21 |