(2) 2 3-dimethyl-6-(2-methylpropyl)decane July 8, 2019 16 32 64 128 2 6-dimethyldecane 2 6-dimethyl-4-(2-methylpropyl)decane 2 3-dimethyl-6-(2-methylpropyl)decane 2 2-dimethylpropene