氯甲酸苄酯

DL-丙氨酸

3,5-dimethyl-pyrazole-1-carboxylic acid benzyl ester

N-Benzyloxycarbonyl-D,L-alanine 4-nitrobenzyl ester

2,2,2-trifluoroethyl 2-(((benzyloxy)carbonyl)amino)propanoate