3-(4-{1-[4-(2,3,5,6-tetramethyl-benzyloxy)-phenyl]-propoxy}-benzoylamino)-propionic acid methyl ester 生成 (S)-3-(4-{1-[4-(2,3,5,6-tetramethyl-benzyloxy)-phenyl]-propoxy}-benzoylamino)-propionic acid methyl ester 、 (R)-3-(4-{1-[4-(2,3,5,6-tetramethyl-benzyloxy)-phenyl]-propoxy}-benzoylamino)-propionic acid methyl ester