2 3-dimethyl-1 3-butadiene July 8, 2019 16 32 64 128 2 3-dimethyl-1 3-butadiene structure 2 3 dimethyl 1 3 butadiene 2 3-dimethyl-1 3-butadiene diels alder 2 3-dimethyl-1 3-butadiene and dimethyl fumarate 2 3-dimethyl-1 4-butadiene 2 methyl 2 butanol 2 3-dimethylbutanoic acid 2 3-dimethylbutane 2 3-dimethyl-1-butene