1,1'-(1,2-Ethanediylbis(1,3-dioxolane-2,4-diylmethylene))bis(1-methylpyrrolidinium iodide) 1,2-Bis(4'-pyrrolidinomethyl-1,3'-dioxolan-2-yl)ethane dimethyl iodide 37069-07-1 Dioxonium Pyrrolidinium, 1,1'-(1,2-ethanediylbis(1,3-dioxolane-2,4-diylmethylene))bis(1-methyl-, diiodide