(R)-2,3-Dihydro-6-hydroxy-2-(1-hydroxy-1-methylethyl)-4-methoxy-9-methylfuro(2,3-b)quinolinium 6883-22-3 Furo(2,3-b)quinolinium, 2,3-dihydro-6-hydroxy-2-(1-hydroxy-1-methylethyl)-4-methoxy-9-methyl-, (R)-