R-1-cbz-3-羟基-哌啶

3-氨基-4-(羟基甲基)吡咯烷-1-羧酸苄酯

2-{[(Benzyloxy)carbonyl]amino}-4-pentynoic acid

benzyl N-(2-chloroethyl)-N-cyclohexylcarbamate

[4-(溴乙酰基)苯基]氨基甲酸苯甲酯