3 4-diethyl-2 6-dimethyloctane July 8, 2019 16 32 64 128 3 methylhexane 3 4-diethyl-5 6-dimethyl-2-octene 3 4-dimethyloctane 2 4 6-octatriene 2 6-dimethyl- (e z)- 3 7-dimethyl-2 6-octadienal