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6(5H)-Phenanthridinone1015-89-0100 % similar Quinazolinedione86-96-463 % similar 2-Mercapto-4(3H)-quinazolinone13906-09-759 % similar 2,3-Dihydro-1,4-phthalazinedione1445-69-854 % similar Quinazolinone491-36-148 % similar 1,2,3-Benzotriazin-4-one90-16-448 % similar Benzo[c]cinnoline230-17-146 % similar 2,4-Dihydroxyquinoline86-95-345 % similar 9-Chloroacridine1207-69-843 % similar 9-Methylacridine611-64-343 % similar 2-Hydroxy-4-methylquinoline607-66-942 % similar 9-Phenylacridine602-56-241 % similar Isatoic anhydride118-48-941 % similar 2H-1,3-Benzoxazine-2,4(3H)-dione2037-95-841 % similar 9-Bromomethylacridine1556-34-940 % similar 1(2H)-Isoquinolinone491-30-540 % similar Ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate40059-53-840 % similar Acridine-9-carboxylic acid5336-90-339 % similar Phenazine92-82-039 % similar 4-(Trifluoromethyl)-2(1H)-quinolinone25199-84-239 % similar