(4-nitrophenyl) 4-(phenylmethoxycarbonylamino)butanoate

甲基氨基甲酸苄酯

(4-dimethylaminophenylmethyl)(4-methoxyphenyl)amine

2-[[1-(苯基甲氧羰基)吡咯烷-2-羰基]氨基]乙酸

N-苄氧羰基-L-alpha-氨基己二酸