Cis-4 methyl 3 heptene July 8, 2019 16 32 64 128 Cis 4 ethyl 3 methyl 3 heptene Cis 3 4 dimethyl 3 heptene Cis 3 4 dimethyl 3 heptene structure Cis 3 4 dimetil 3 heksena Cis 3 hepten