Synonyms:
6-hydroxy-2h-3,1-benzoxazine-2,4(1h)-dione ; 6-hydroxy-2h-3,1-benzoxazine-2,4(1h)-dione, 6-hydroxy-1h-benzo[d][1,3]oxazine-2,4-dione ; 5-hydroxy isatoic anhydride ; 2h-3,1-benzoxazine-2,4(1h)-dione, 6-hydroxy- ; 6-hydroxyisatoic anhydride ; 6-hydroxy-2h-benzo[d][1,3]oxazine-2,4(1h)-dione ; 6-hydroxy-1h-benzo[d][1,3]oxazine-2,4-dione