4-Chloro-3-hydroxy-butyricacidmethylester 4-Chloro-3-hydroxy-butycir acid methyl ester 4-Chloro-3-hydroxybutanoic acid methyl ester Methyl 4-chloro-3-hydroxybutanoate 4-Chloro-3-hydroxy-butyric acid Methyl gamma-chloro-beta-hydroxybutyrate Methyl chloro-3-hydroxybutyrate Butanoic acid,4-chloro-3-hydroxy-, methyl ester