7-hydroxy-3-methyl-1,4-benzoxazin-2-one

6,7-二氯-3-甲基-3,4-二氢喹喔啉-2(1H)-酮

2-[2-(4-硝基苯基)亚肼基]丙酸乙酯

6-chloro-3-methyl-1,4-benzoxazin-2-one

3-甲基-2H-1,4-苯并恶嗪-2-酮