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Quinazolinedione86-96-4100 % similar 6(5H)-Phenanthridinone1015-89-063 % similar 2-Mercapto-4(3H)-quinazolinone13906-09-760 % similar Quinazolinone491-36-150 % similar 1,2,3-Benzotriazin-4-one90-16-450 % similar 7-Deazaxanthine39929-79-847 % similar 2,3-Dihydro-1,4-phthalazinedione1445-69-844 % similar 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione28888-44-044 % similar 2,4-Dihydroxyquinoline86-95-342 % similar 9-Chloroacridine1207-69-840 % similar 2-Hydroxy-4-methylquinoline607-66-940 % similar 9-Methylacridine611-64-340 % similar Isatoic anhydride118-48-939 % similar 2H-1,3-Benzoxazine-2,4(3H)-dione2037-95-839 % similar 9-Phenylacridine602-56-239 % similar 9-Bromomethylacridine1556-34-938 % similar 1(2H)-Isoquinolinone491-30-538 % similar Acridine-9-carboxylic acid5336-90-337 % similar Benzo[c]cinnoline230-17-137 % similar 4-(Trifluoromethyl)-2(1H)-quinolinone25199-84-237 % similar