Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
N-[5-[(1R)-1-Hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl](phenylmethyl)amino]ethyl]-2-(phenylmethoxy)phenyl]formamide, is an impurity of Arformoterol Tartrate (A767505) which is a long-acting β2 adrenoreceptor agonist (LABA) indicated for the treatment of chronic obstructive pulmonary disease (COPD).