105-50-0
1,3-丙酮二羧酸二乙酯
+
108-46-3
间苯二酚
→
~90%
74083-58-2
ethyl 2-(7-hydroxy-2-oxochromen-4-yl)acetate
64-17-5
乙醇
6950-82-9
7-羟基香豆素-4-乙酸
~70%
~40%
77-92-9
柠檬酸
101999-45-5
2-(7-hydroxy-2-oxochromen-4-yl)acetamide