4 6 diethyl-2 7 dimethyl-5 propylnonane July 8, 2019 16 32 64 128 4 5-diethyl-2 2-dimethylnonan 4 4-diethyl-2 6-dimethylnonan 3 7-dimetil-4-noneno 2 7-dimetil-3 5-nonadiino
