n-butyl (R)-(-)-4-cyano-3-hydroxybutyrate

(R)-3-氧代-5-羟基-6-氰基己酸叔丁酯

(R)-4-cyano-3-hydroxybutanoic acid methyl ester

(R)-(-)-ethyl 4-cyano-3-(tert-butyldimethylsilyloxy)butyrate

(R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-cyano-butyric acid butyl ester