(2S,4R)-4-[tert-butyl(dimethyl)silyl]oxy-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid

反式-4-羟基-L-脯氨酸甲酯

(2S,4S)-4-苯氧基-2-吡咯烷甲酸甲酯

N-Boc-反式-4-氟-L-脯氨酸甲酯

(2S,4s)-1-(叔丁氧基羰基)-4-苯氧基-2-吡咯烷羧酸