1,2-ジメトキシ-6-メチル-4H-ジベンゾ[de,g]キノリン-4,5(6H)-ジオン

説明A further aporphine type alkaloid obtained from the callus tissue of Stephania cepharantha, this alkaloid is the dimethoxy analogue of the preceding base. It also forms orange needles and gives a bright orange fluorescence. The ultraviolet spectrum in EtOH has absorption maxima at 213, 244, 303, 315 and 440 nm with a shoulder at 273 nm.