68399-98-4 7H-Benzo(de)pyrazolo(5,1-a)isoquinoline-11-carboxylic acid, 9,10-dihydro-3-(4-morpholinyl)-7,10-dioxo-, ethyl ester EINECS 270-004-7 Ethyl 9,10-dihydro-3-morpholin-4-yl-7,10-dioxo-7H-benzo(de)pyrazolo(5,1-a)isoquinoline-11-carboxylate