21744-84-3
4-甲基-2H-1,4-苯并噁嗪-3(4H)-酮
+
79-04-9
一氯代乙酰氯
→
~90%
114566-43-7
6-(Chloroacetyl)-4-methyl-2H-1,4-benzoxazin-3(4H)-one