methyl 2,4-bis-(4-methylphenyl)sulfonyloxybenzoate

1-(3-乙酰基-2,6-二羟基苯基)乙酮

4-羟基-2-甲基氧苯甲酸甲酯

methyl 5-hydroxy-4-methyl-2-oxochromene-6-carboxylate

7-hydroxy-4-methyl-2-oxo-2H-chromene-6-carboxylic acid methyl ester