2-Propenoic acid, 3-(4-chlorophenyl)-, ethyl ester 3-(4-Chlorophenyl)-2-propenoic acid ethyl ester 4-Chlorocinnamic acid ethyl ester 6048-06-2 BRN 2046428 Cinnamic acid, 4-chloro-, ethyl ester Ethyl 4-chlorocinnamate Ethyl p-chlorocinnamate