Name of the compound | Observed molecular weight (m/z) | Theoretical mass | Chemical formula | Molecular ion with adduct |
Arformoterol | 345.1451 | 344.4048 | C19H24N2O4 | (M + H)+ |
Amine Impurity | 317.1821 | 316.3947 | C18H24N2O3 | (M + H)+ |
Secondary degradant | 329.1908 | 328.4054 | C19H24N2O3 | (M + H)+ |