3 7-dimethyl-2 6-octadiene July 8, 2019 16 32 64 128 3 7-dimethyl-2 6-octadien-1-ol 3 7-dimethyl-1 6-octadiene 3 7-dimethyl-2 6-octadienal 6-octenal 3 7-dimethyl 3 7-dimethyl-1 6-octadien-3-ol