68882-68-8
2,5-dimethylenebicyclo[4.2.0]octane
→
3382-59-0
3,6-dimethylideneocta-1,7-diene
163976-20-3
(η(2),η(2)-3,6-dimethylene-1,7-butadiene)NiPiPr3
7440-02-0
镍