1-methyl-1-(2-(trimethylsilyl)ethyl)piperidin-1-ium iodide

1-(1,2-diphenylethyl)-1-methylpiperidin-1-ium

1-(2-(4-chlorophenyl)-1-phenylethyl)-1-methylpiperidin-1-ium

1-(2-(4-methoxyphenyl)-1-phenylethyl)-1-methylpiperidin-1-ium

N-methyl-N-(1-phenylethyl)piperidinium bromide