Synonyms:
2h-3,1-benzoxazine-8-carboxylic acid, 1,4-dihydro-2,4-dioxo-, methyl ester ; methyl 1,4-dihydro-2,4-dioxo-2h-3,1-benzoxazine-8-carboxylate ; 2,4-dioxo-1,4-dihydro-2h-benzo[d][1,3]oxazine-8-carboxylic acid methyl ester ; 2h-3,1-benzoxazine-8-carboxylicacid, 1,4-dihydro-2,4-dioxo-, methyl ester ; methyl 2,4-dioxo-2,4-dihydro-1h-benzo[d][1,3]oxazine-8-carboxylate ; 3-isatoic anhydride carboxylic acid methyl ester ; ref dupl: 3-isatoic anhydride carboxylic acid methyl ester ; methyl 2,4-dioxo-1,4-dihydro-2h-3,1-benzoxazine-8-carboxylate