13754-23-9 13838-14-7 Bis-N,N'-(3-phenylpropyl-2)-piperazine dihydrochloride Diphenazin Diphenazine, dihydrochloride F 200 N,N'-Bis(phenylisopropyl)piperazine, dihydrochloride Piperazine, 1,4-bis(1-methyl-2-phenylethyl)-, dihydrochloride (9CI) Piperazine, 1,4-bis(alpha-methylphenethyl)-, dihydrochloride Quietidin