3d image of isoprene skeletal formula

isoprene methylbutadiene volatile natural rubber pyrolysis oaks poplars eucalyptus legumes methane emissions plants chloroplasts abiotic stresses trees terpenes isoprenoids carotene phytol retinol vitamin tocopherol dolichols squalene aerosols industrial production cracking naphtha oil isomer 3d model geometry scientific cas functional group name inorganic einecs reagent cell white background nomenclature molecule formula biology research stuff substance isolated science ball stick biomolecule bioactive iupac reaction structure