| Precursor ion | Dominating fragmentation ions | DP/V | CE/eV | |||
| m/z | Type of loss | m/z | Type of loss | |||
| 氧氟沙星丙酯 [M+H]+ m/z 404.3 | 362.3 | −C3H7 | 344.2 | −OC3H7 | 45 | 30 |
| 氧氟沙星烯丙酯 [M+H]+ m/z 402.3 | 362.3 | −C3H5 | 344.2 | −OC3H5 | 45 | 30 |
| 恩诺沙星丙酯 [M+H]+ m/z 402.3 | 360.3 | −C3H7 | 342.2 | −OC3H7 | 45 | 30 |
| 恩诺沙星烯丙酯 [M+H]+ m/z 400.3 | 360.3 | −C3H5 | 342.3 | −OC3H5 | 45 | 30 |
| 氟甲喹丙酯 [M+H]+ m/z 304.2 | 262.2 | −C3H7 | 244.2 | −OC3H7 | 45 | 30 |
| 氟甲喹烯丙酯 [M+H]+ m/z 302.2 | 262.2 | −C3H5 | 244.2 | −OC3H5 | 45 | 30 |
| 马波沙星丙酯 [M+H]+ m/z 405.2 | 363.2 | −C3H7 | 345.2 | −OC3H7 | 45 | 30 |