1076-38-6
4-羟基香豆素
+
93-97-0
苯甲酸酐
→
~97%
16709-58-3
2H-1-苯并吡喃-2-酮, 4-(苯甲酰氧基)-
98-88-4
苯甲酰氯
~96%
108-95-2
苯酚
4438-85-1
chromene-2,4-dione