770719-70-5
ethyl [(2-acetoxyphenyl)hydroxymethylidene]ethoxycarbonylacetate
→
~64%
1821-20-1
(3E)-3-[乙氧基(羟基)甲亚基]-2H-色烯-2,4(3H)-二酮
105-53-3
丙二酸二乙酯
+
5538-51-2
邻乙酰水杨酰氯
19725-33-8
50-78-2
2-(乙酰氧基)苯甲酸
N/A
1076-38-6
4-羟基香豆素
213181-26-1
ethyl 4-chloro-2-oxochromene-3-carboxylate