1-methyl-1,4-bis[2-[(1-oxooctadecyl)oxy]ethyl]piperazinium methyl sulphate
Piperazinium,4-[3-[4-(1,1-dimethylethyl)phenyl]-2-methylpropyl]-1,1-dimethyl-, iodide
Piperazinium, 1-ethenyl-1-[2-(1-piperazinyl)ethyl]-, chloride