67346-51-4

S-Isomer) ((R S)-Formoterol) Formoterol EP Impurity Arformoterol Impurity 27 Formoterol EP Impurity I (R Formoterol Impurity 23 ((R,S)-Formoterol) Formoterol EP Impurity I (R,S-Isomer) ((R,S)-Formoterol) Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol) N-(2-Hydroxy-5-{(R)-1-hydroxy-2-[(S)-2-(4-methoxy-phenyl)-1-methyl-ethylamino]-ethyl}-phenyl)-formamide Formamide, N-[2-hydroxy-5-[(1R)-1-hydroxy-2-[[(1S)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]- Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, [R-(R*,S*)]-