Code | MS scan | Major fragments | tR (min) | Metabolic pathway | Postulated conjugate composition |
---|---|---|---|---|---|
VB486 | 486 | 389.4, 363.2 | 71.6 | α Cyano addition and N-demethylation | V − CH3 + CN |
VB500a | 500a | 373.2, 137.1 | 68.4 | α Cyano addition | V + CN |
VB500b | 500b | 456.9, 163.9 | 76 | N-demethylation, α oxidation and α Cyano addition | V − CH3 + CN + O |
VB502 | 502 | 484.3, 361.3, 287.4, 203.1 | 77.1 | N-demethylation, α hydroxylation and α Cyano addition | V − CH3 + CN + OH |