cyclohexyl-(2,4,6-trihydroxyphenyl)methanone

1,3,5-trihydroxy-10H-acridin-9-one

5,7-dimethoxy-2-oxochromene-4-carbaldehyde

5,7-二羟基-2,2-二甲基-2,3-二氢-4H-苯并吡喃-4-酮

5,7-dihydroxy-2,2-dimethyl-8-(3-methylbut-2-enoyl)chroman-4-one