13758-99-1 2-(2-Pyrrolidinoethyl)-3a,4,7,7a-tetrahydro-4,7-ethaneisoindoline dimethiodide 4,7-Ethanoisoindolinium, 3a,4,7,7a-tetrahydro-2-methyl-2-(2-(1-methylpyrrolidinio)ethyl)-, diiodide