Secondary in abundance are aromatic sester and sesquiterpenoid hydrocarbons,but aromatic diterpenoids, most of the regular PAH are found at trace levels only.
但芳香二萜类，大多数常规多环芳烃仅以微量形式存在。
Diterpenoid
英语例句库
Abstract A method is suggested to determine the absolute configuration of ent kaurene diterpenoids by analysing the circular dichroism spectral data of 13 hydroxy ent kaurenoids.
摘要通过系列13羟基对映贝壳杉烯二萜的园二色散光谱的数据分析，提出一种确定对映贝壳杉烯二萜绝对构型的方法。
英语百科
Diterpene
（重定向自Diterpenoid）
Diterpenes are a class of chemical compounds composed of two terpene units with the molecular formula C20H32; they may also be thought of as consisting of four isoprene units. They are biosynthesized by plants, animals and fungi via the HMG-CoA reductase pathway, with geranylgeranyl pyrophosphate being a primary intermediate. Diterpenes form the basis for biologically important compounds such as retinol, retinal, and phytol. They are known to be antimicrobial and antiinflammatory.
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