Table 2 Multiple reaction monitoring (MRM) transitions and collision energy of six anti-arrhythmic compounds and internal standards.
Compound | Precursor ion (m/z) | Product ion (m/z) | Collision energy (V) |
|---|---|---|---|
Metoprolol | 268.1 | 116.1 | 26 |
Metoprolol-d7 | 275.1 | 123.1 | 26 |
Diltiazem | 415.2 | 178.0 | 33 |
Amiodarone | 646.1 | 58.1 | 100 |
Amiodarone-d4 | 650.1 | 58.1 | 100 |
Propafenone | 342.1 | 116.1 | 29 |
Propafenone-d5 | 347.1 | 121.1 | 29 |
5OH-propafenone | 358.1 | 116.0 | 29 |
5OH-propafenone-d5 | 363.1 | 121.1 | 29 |
Verapamil | 455.3 | 165.3 | 37 |
