5466-88-6
2H-1,4-苯并噁嗪-3(4H)-酮
+
621-36-3
3-甲基苯乙酸
→
~78%
1086390-21-7
6-[2-(m-tolyl)acetyl]-4H-1,4-benzoxazin-3-one
88-75-5
邻硝基苯酚
37682-31-8
ethyl 2-(2-nitrophenoxy)acetate