Isatoic anhydride118-48-9100 % similar 5-Chloroisatoic anhydride4743-17-359 % similar UV 363818600-59-459 % similar 2-Methyl-4H-3,1-benzoxazin-4-one525-76-859 % similar 2(3H)-Benzoxazolone59-49-453 % similar 5-Nitroisatoic anhydride4693-02-152 % similar Diphenic anhydride6050-13-147 % similar 6(5H)-Phenanthridinone1015-89-041 % similar Acridine-9-carboxylic acid5336-90-341 % similar Urolithin B1139-83-940 % similar 9-Chloroacridine1207-69-839 % similar 9-Methylacridine611-64-339 % similar Quinazolinedione86-96-439 % similar 2H-1,3-Benzoxazine-2,4(3H)-dione2037-95-838 % similar 9-Phenylacridine602-56-238 % similar 2,4-Dihydroxyquinoline86-95-338 % similar 9-Acridinecarboxylic acid hydrate332927-03-438 % similar 9-Bromomethylacridine1556-34-937 % similar 2-Mercapto-4(3H)-quinazolinone13906-09-737 % similar Dicoumarol66-76-237 % similar