1,1'-Octamethylenebis(5,6,7,8-tetrahydro-2,2-dimethyl-6-methoxyisoquinolinium iodide) Isoquinolinium, 1,1'-octamethylenebis(5,6,7,8-tetrahydro-2,2-dimethyl-6-methoxy-, diiodide NX5662000