2150-47-2
2,4-二羟基苯甲酸甲酯
+
141-97-9
乙酰乙酸乙酯
→
70093-11-7
methyl 5-hydroxy-4-methyl-2-oxochromene-6-carboxylate
60432-37-3
7-hydroxy-4-methyl-2-oxo-2H-chromene-6-carboxylic acid methyl ester
2373-34-4
5-hydroxy-4-methylchromen-2-one