28547-23-1
4-苯甲酰氧基苯甲酸
→
~79%
58860-84-7
(4-carbonochloridoylphenyl) benzoate
98-88-4
苯甲酰氯
+
99-96-7
乙酰水杨酸杂质A
79-37-8
草酰氯