6-acetyl-7-hydroxy-2-methyl-3,4-dihydro-2H-1-benzopyran

1-(3-but-3-en-2-yl-2,4-dihydroxyphenyl)ethanone

5-(but-2'-enyl)-2,4-dihydroxy-3-iodoacetophenone

1,1'-联环丙烷

乙烯基环丙烷