74555-98-9

Ethyl 2-methyl-4-oxo-4H-chromene-3-carboxylate

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

67140-88-9

2-Methyl-4-oxo-4H-[1]benzopyran-3-carbonitrile

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

1694-31-1

乙酰乙酸叔丁酯

393-52-2

邻氟苯甲酰氯

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

10037-20-4

3-acetyl-2-methylchromen-4-one

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

1441-87-8

水杨酰氯

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

118-93-4

2'-羟基苯乙酮

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

39208-08-7

benzenepropanoic acid, 2-O-(benzyl)-β-oxoethyl ester

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

31165-67-0

2-苄氧基苯乙酮

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid

51751-33-8

methyl 2-methyl-4-oxochromene-3-carboxylate

51751-37-2

2-methyl-4-oxochromene-3-carboxylic acid