5-methylene-cycloheptene

溴代苯

5,5-dibromobicyclo[2.1.1]hex-2-ene

6,6-dibromobicyclo[3.1.0]hex-2-ene

1,2,3,4,4a,5,8,8a-八氢-1,4:5,8-二甲桥萘-2-甲醇