Formoterol Fumarate Dihydrate - API Standards

183814-30-4

N-[2-Hydroxy-5-[(1RS)-1-hydroxy-2-[[(1RS)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide (E)-Butenedioate Dihydrate; rel-N-[2-Hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]formamide Fumarate Dihydrate; Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[1-(4-methoxyphenyl)propan-2-yl]amino]ethyl]phenyl], (R*,R*)-, fumarate (2:1) (salt), dihydrate; (±)-2′-Hydroxy-5′-[(R*)-1-hydroxy-2-[[(R*)-p-methoxy-α-methylphenethyl]amino]ethyl]formanilide fumarate (2:1) (salt), dihydrate (USP);