2-(p-Chlorophenyl)-5-oxotetrahydro-2-furoic acid 2-chloroethyl ester 2-Furoic acid, tetrahydro-2-(p-chlorophenyl)-5-oxo-, 2-chloroethyl ester 34971-21-6 Chloroethyl of gamma-p-chlorophenyltetrahydrofuranone-2-gamma-carboxylic acid