二碳酸二叔丁酯

反式-4-羟基-L-脯氨酸甲酯盐酸盐

(2S,4R)-BOC-Γ-甲磺酰基氧甲基脯氨酸甲酯

(2S,4S)-1-tert-Butyl 2-methyl 4-(benzoyloxy)pyrrolidine-1,2-dicarboxylate

(2S,4S)-N-tert-butoxycarbonyl-4-(p-toluenesulfonyloxy)proline methyl ester