3,3,7,7-Tetrachlorotricyclo(4.1.0.0)heptane

1,4-二氧六环

1,4-二氧螺环[4,5]癸烷

1,6-二氧螺环[4.4]-壬烷

Ethane, 1,1'-(ethylidene)bis(oxy)bis(2-chloro-