4-ethynyl-1-methylpiperidine

1-Methyl-4-(3'-hydroxy-3',3'-diphenylpropyn-1'-yl)piperidine

4-(1-Hydroxy-1-hydroxyamino-ethyl)-1-methyl-pyridinium; iodide

4-(1-Hydrazino-1-hydroxy-ethyl)-1-methyl-pyridinium; iodide