2,3-Dihydro-4,6,8-trimethoxy-9-methyl-2-(1-methylethenyl)furo(2,3-b)quinolinium chloride 55870-02-5 Furo(2,3-b)quinolinium, 2,3-dihydro-4,6,8,-trimethoxy-9-methyl-2-(1-methylethenyl)-, chloride Ptefolonium chloride