1-Piperazinecarboxylic acid, 4-(5-oxo-5H-dibenzo(a,d)cyclohepten-10-yl)-, 2-propenyl ester 2-Propenyl 4-(5-oxo-5H-dibenzo(a,d)cyclohepten-10-yl)-1-piperazinecarboxylate 4-(5-Oxo-5H-dibenzo(a,d)cyclohepten-10-yl)-1-piperazinecarboxylic acid 2-propenyl ester 56972-88-4 RMI 61214