2H-Benzo(a)quinolizin-2-one, 1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-, oxime 32616-17-4 9,10-Dimethoxy-1,3,4,6,7,11b-hexahydro-2H-benzo(a)quinolizin-2-one oxime