heptyl造句
1、Synthesisofisoalkylphosphonicacid(1-methyl)heptylmonoester2、Inthefirstpart,thesynthesisofheptylparabenwasstudied.3、Inconclusion,themainflavoringsubstancesontobaccosmokingwere2,4-heptyldiene,pheny...
1、Synthesisofisoalkylphosphonicacid(1-methyl)heptylmonoester2、Inthefirstpart,thesynthesisofheptylparabenwasstudied.3、Inconclusion,themainflavoringsubstancesontobaccosmokingwere2,4-heptyldiene,pheny...