1-Piperazineethanol, 4-(p-chlorophenyl)-, 2-thiopheneacrylate 2-Propenoic acid, 3-(2-thienyl)-, 2-(4-(4-chlorophenyl)-1-piperazinyl)ethyl ester 2-Thiopheneacrylic acid, 2-(4-(p-chlorophenyl)-1-piperazinyl)ethyl ester 4415-62-7