8-methoxy-2,2,7-trimethylpyrano[3,2-c]chromen-5-one

3-ethenoxy-3-methylbut-1-ene

3,3-dimethyl-1,2-dihydrobenzo[f]chromen-9-ol

1,4-dimethoxy-2-(3-methylbut-2-enyl)benzene

3-甲基-2-(3-甲基丁-2-烯基)丁烷-1,3-二醇