3 4-dimethyl-1 3-pentadiene July 8, 2019 16 32 64 128 3 4 dimethyl 1 3 pentadiene 2 4 dimethyl 1 3 pentadiene 3 methylhexane 3 4-dimetylpent-2-en 3 4-dimetylopent-1-en 3 4-dimethyl-1-pentene
