2-(5-异噁唑)-4-甲基苯酚

2-amino-6-methylchromen-4-one

5-methyl-1,7a-dihydrochromeno[2,3-b]azirin-7(1aH)-one

6-甲基-4-苯并二氢呋喃-4-酮

3-hydroxy-6-methylchromen-4-one