PIPERAZINE CHIPS, Diethylenediamine, Piperazine, 1,4-Diazacyclohexan, 1,4-Diazacyclohexane, Trimetazidine Hydrochloride Impurity G, Piperazine, Diethylene diamine, 1,4-Diethylenediamine, Dispermine, Hexahydro-1,4-diazine, Piperazidine, 1,4-Diethylene diamine, Piperazin, Pirazinhexahydrid, Diethylendiamin, Lumbrical, Hexahydro-1,4-diazin, Hexahydropyrazin, PAZ, Piperazine Solid