Pharmaceutical Reference Standards / Impurity Standards

(2S)-Hydroxy(phenyl)acetic acid (2r)-n-benzyl-1-(4-methoxyphenyl)propan-2-amine
N-[5-[(1R)-2-[Benzyl-[(2R)-1-(4-methoxyphenyl)propan-2-yl]amino]-1-hydroxyethyl]-2-phenylmethoxyphenyl]formamide