250-21-5

1,2-cis-2,9-trans-9,10-cis-tricyclo-[8.6.0.02,9]hexadeca-cis-5-cis-13-diene

cis-9,9-Dichlorbicyclo[6.1.0]non-4-en

5,5,10,10-tetrachlorotricyclo[7.1.0.01,8]decane