N-[(phenylmethoxy)carbonyl]-4(R)-[[(4-methylphenyl)sulfonyl]oxy]-(S)-proline methyl ester

(2S,4R)-1-benzyloxycarbonyl-2-hydroxymethyl-4-(tosyloxy)pyrrolidine

反-N-苄氧羰基-4-羟基-L-脯氨酸

(2S,4R)-Cbz-4-甲磺酰氧基脯氨酸甲酯

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