1,2-Bis(4'-morpholinomethyl-1',3'-dioxolanyl-2')ethane dimethiodide 15483-63-3 4,4'-(Ethylenebis(1,3-dioxolane-2,4-diylmethylene))bis(4-methylmorpholinium) diiodide Morpholinium, 4,4'-(ethylenebis(1,3-dioxolane-2,4-diylmethylene))