2H-Benzo(a)quinolizin-2-one, 1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-methyl-, oxime 32616-21-0 9,10-Dimethoxy-3-methyl-1,3,4,6,7,11b-hexahyrdo-2H-benzo(a)quinolizin-2-one oxime