1,4-Diazacyclohexane 1,4-Diethylenediamine 1,4-Piperazine 110-85-0 Antiren Asca-Trol No. 3 Diethylenediamine Diethyleneimine Dispermine Eraverm Hexahydro-1,4-diazine Hexahydropyrazine Lumbrical NSC474 Piperazidine Piperazin Piperazine Piperazine, anhydrous Pipersol Pyrazine hexahydride Pyrazine, hexahydro- Uvilon WLN: T6M DMTJ Worm-A-Ton Wurmirazin