1,2-二羧基吡咯烷酸,4-羟基-1-[(4-硝基苯基)甲基]酯

氯甲酸对硝基苄酯

L-羟基脯氨酸

(2S,4R)-1-p-Nitrobenzyloxycarbonyl-2-dimethylaminocarbonyl-4-hydroxypyrrolidine

(2S,4R)-2-dimethylaminocarbonyl-4-mesyloxy-1-p-nitrobenzyloxycarbonylpyrrolidine