2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid
2,4-二氧代-2,4-二氢-1H-苯并[1,3]恶嗪-6-羧酸
CAS No. 77423-13-3
2,4-Dioxo-1,4-dihydro-2H-3,1-benzoxazine-6-carboxylicacid
2,4-二氧代-2,4-二氢-1H-苯并[1,3]恶嗪-6-羧酸
6,8-二甲基-2H-3,1-苯并恶嗪-2,4(1H)-二酮