90-33-5
4-甲基伞形酮
+
65-85-0
苯甲酸
→
~92%
66185-72-6
(4-methyl-2-oxochromen-7-yl) benzoate
93-97-0
苯甲酸酐
98-88-4
苯甲酰氯
~87%
~78%
108-46-3
间苯二酚
86882-62-4