<2-D>-1,2-Dihydronaphthalin

5-(2,3-dihydro-1H-1-indenylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

2-(1H-吡咯-1-基)苄基乙醇

2,3-二氢-1,2,3-甲桥-1H-茚

反-2-丁烯