1,3-Dioxolo(4,5-g)isoquinolinium, 5,5'-(1,8-octanediyl)bis(7,8-dihydro-6,7,7-trimethyl-, bis(methyl sulfate) 34827-34-4 5,5'-Octamethylenebis(7,8-dihydro-6,7,7-trimethyl-1,3-dioxolo(4,5-g)isoquinolinium methyl sulfate BW 403C65 BW-403C65 BW.403C65