10-Methylen-endo,exo-tetracyclo[5.5.1.02,6.08,12]tridec-3-en

2,5-Dimethyl-3-methylen-1,5-hexadien

1-Isopropyliden-3-methylencyclopentan

4-Methylen-exo-tricyclo[5.2.1.02,6]dec-8-en

4,10-Dimethylen-exo,exo-tetracyclo[5.5.1.02,6.08,12]tridecan