Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
N-[2-Hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl](phenylmethyl)amino]ethyl]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).