101320-00-7 2,2'-Ethylenebis(3a,4,7,7a-tetrahydro-2-methyl-4,7-ethanoisoindolinium iodide) 4,7-Ethanoisoindolinium, 2,2'-ethylenebis(3a,4,7,7a-tetrahydro-2-methyl-, diiodide