1-(2-(alpha-Pyridyl)ethyl)piperidine dimethiodide 1-Methyl-1-(2-(1-methylpyridinium-2-yl)ethyl)piperidinium diiodide 2-(beta-Piperidinoethyl)pyridine dimethiodide 7279-55-2 Piperidinium, 1-methyl-1-(2-(1-methylpyridinium-2-yl)ethyl)-, diiodide Pyridinium, 1-methyl-2-(2-(1-methyl-1-piperidinio)ethyl)-, diiodide