3,12-Diaza-6,9-diazoniadispiro(5.2.5.2)hexadecane, 3,12-bis(4-(4-(bis(2-chloroethyl)amino)phenyl)-1-oxobutyl)-, dichloride 95461-38-4 N,N'''-Di(gamma-(p-N-di(2-chloroethyl)aminophenyl)butyryl)dispirotripiperazinium dichloride