23866-72-0
7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯
+
74-88-4
甲基碘
→
~99%
38322-74-6
ethyl 7-methoxy-4-oxochromene-2-carboxylate
552-41-0
丹皮酚
95-92-1
乙二酸二乙酯
~96%
89-84-9
2,4-二羟基苯乙酮