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

(2S,4r)-4-[(甲基磺酰基)氧基]-1,2-吡咯烷二羧酸 2-甲基 1-[(4-硝基苯基)甲基]酯

反式-1-对甲苯磺酰基-4-羟基-L-脯氨酸甲酯

N,O-ditosyl-trans-4-hydroxy-L-proline methyl ester

N-Boc-反式-4-氟-L-脯氨酸甲酯