2-(1-Hydroxy-1-methylethyl)-1-methyl-4,7,8-trimethoxy-2,3-dihydrofuro(2,3-b)quinolinium 79808-98-3 Furo(2,3-b)quinolinium, 2,3-dihydro-2-(1-hydroxy-1-methylethyl)-4,7,8-trimethoxy-9-methyl-, (S)- Veprisinium salt