1-Piperazinecarboxamide, N-cyclohexyl-4-(4-(4-fluorophenyl)-4-oxobutyl)-, monohydrochloride 119978-03-9 4-(3-(4-Fluorobenzoyl)propyl)-N-cyclohexyl-1-piperazinecarboxamide hydrochloride FG 5803 FG-5803