(R)-1-(叔丁氧基羰基)-4-氧代吡咯烷-2-羧酸

(2R,4R)-叔丁基 4-羟基-2-(羟基甲基)吡咯烷-1-羧酸

(2R,4R)-4-methoxy-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid

(2R,4R)-4-甲氧基-1,2-吡咯烷二羧酸-1-(1,1-二甲基乙基)-2-甲酯

[(2R,4R)-4-(2,6-diaminopurin-9-yl)pyrrolidin-2-yl]methanol