85-44-9
苯酐
+
7446-70-0
无水三氯化铝
123-31-9
1,4-苯二酚
→
6272-39-5
2-(2,5-Dihydroxybenzoyl)benzoic acid
81-64-1
1,4-二羟基蒽醌
76526-29-9
2-(2,5-dimethoxybenzoyl)benzoic acid