522-57-6 6,7-Dimethoxy-1-veratroylisoquinoline Ketone, 6,7-dimethoxy-1-isoquinolyl 3,4-dimethoxyphenyl Methanone, (6,7-dimethoxy-1-isoquinolinyl)(3,4-dimethoxyphenyl)- NSC94266 Papaveraldin Papaveraldine Xanthaline