3e 5z )- 2 6 dimethyl 1 3 5 7 octatetraene July 8, 2019 16 32 64 128 (3e 5z)-2 6-dimethylocta-1 3 5 7-tetraene (3z 5e)-2 6-dimethyl-1 3 5 7-octatetraene 1 3 6-octatriene 3 7-dimethyl- (z)-
