7-methoxy-2,2-dimethylchromene-6-carbaldehyde

7-methoxy-2,2-dimethyl-2H-chromen-6-yl formate

芝麻酚

2,2-dimethyl-6,7-methylenedioxy-4-chromanone

1-(2-hydroxy-4,5-methylenedioxyphenyl)-3-methyl-2-buten-1-one