2-Chloroethyl gamma-fluoro-beta-hydroxybutyrate 63905-00-0 BUTYRIC ACID, 4-FLUORO-2-HYDROXY-, 2-CHLOROETHYL ESTER Butyric acid, gamma-fluoro-beta-hydroxy-, 2-chloroethyl ester TL 1492 beta-Chloroethyl gamma-fluoro-beta-hydroxybutyrate