3701-38-0
2-Methoxy-6H-dibenzo[b,d]pyran-6-one
+
77-78-1
硫酸二甲酯
→
3525-23-3
2-(2,5-dimethoxyphenyl)benzoic acid
108-24-7
乙酸酐
87-25-2
2-氨基苯甲酸乙酯
42523-54-6
9H-fluorene-1,4-dione