Table 1 Multiple reaction monitoring conditions for the target compounds
Compounds | Retention time (min) | Ionization | Exact mass (m/z) | Precursor ion (m/z) | Product ion (m/z) | Collision energy (eV) |
|---|---|---|---|---|---|---|
5-CHQ | 7.43 | [M + H]+ | 179.01 | 180.1 | 117.2* | 27 |
145.1 | 22 | |||||
100.1 | 44 | |||||
5,7-DCHQ | 5.62 | [M + H]+ | 355.05 | 356.1 | 180.1* | 17 |
145.1 | 48 | |||||
117.2 | 55 | |||||
5-CHQG | 9.03 | [M + H]+ | 212.98 | 214.0 | 150.3* | 27 |
179.2 | 24 | |||||
123.1 | 38 | |||||
5,7-DCHQG | 6.17 | [M + H]+ | 389.01 | 389.8 | 214.2* | 18 |
150.1 | 53 | |||||
179.2 | 46 |