3 4-dimethylpent-2-ene July 8, 2019 16 32 64 128 3 4-dimethylpent-2-ene structure Skeletal structure of 3 4-dimethylpent-2-ene 3 4-dimetylpent-2-en 3 4-dimethyl-2-pentanol 3 4-dimetylopent-2-en 3 4-dimetylopent-1-en