Table 1.
MRM parameters of the five compounds and IS.
| Compounds | Q1 | Q3 | DP (V) | EP (V) | CE (V) | CXP (V) |
|---|---|---|---|---|---|---|
| Nunciferine | 296.2 | 265.2 | 33 | 6.0 | 20 | 23 |
| O-nornuciferin | 282.2 | 251.2 | 42 | 7.0 | 20 | 21 |
| Liriodenine | 276.1 | 190.1 | 70 | 3.0 | 55 | 15 |
| Armepavine | 314.3 | 107.1 | 50 | 3.0 | 35 | 9.0 |
| Pronuciferine | 282.2 | 265.2 | 35 | 5.0 | 15 | 23 |
| Palmatine chloride (IS) | 352.1 | 336.2 | 56 | 3.0 | 35 | 28 |
MRM, multiple-reaction monitoring; IS, internal standard; DP, declustering potential; EP, entrance potential; CE, collision energy; CXP, collision cell exit potential.