| 1-methyl-1-(2-(1-methylpyridinium-2-yl)ethyl)-piperidiniu diiodide |
| 1-(2-(alpha-pyridyl)ethyl)piperidine dimethiodide |
| 1-methyl-1-(2-(1-methylpyridinium-2-yl)ethyl)piperidinium diiodide |
| 2-(beta-piperidinoethyl)pyridine dimethiodide |
| 1-methyl-2-(2-(1-methyl-1-piperidinio)ethyl)-pyridiniu diiodide |
