62935-72-2
7-甲氧基-2-氧代-2H-1-苯并吡喃-4-乙酸
+
7726-95-6
溴素
64-19-7
乙酸
→
93300-08-4
2-(3-bromo-7-methoxy-2-oxochromen-4-yl)acetic acid