2 3 dimethylpentan 1 amine July 8, 2019 16 32 64 128 3 ethyl 2 3 dimethylpentan 1 amine 2 3-dimethylpentane 2 3-dimethylpentan 2 3-dimethyl-1-pentene 2 3-dimethylpentane formula 2 3-dimethylpent-1-ene