Question

4,5-diciclopropil-2,3-diisopropil-6-etil-2,7-nonadieno , .

Answer 1

         
            CH3    CH3
            Ι          Ι  CH3- CH      CH-CH3             ₁         ₂Ι         ₃Ι       ₄       ₅       ₆        ₇        ₈       ₉CH3 - C  =    C - CH   -  CH   - CH- CH = CH - CH3                           Ι           Ι         Ι                          Δ          Δ        CH2-CH3