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微量形式存在。
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微量形式存在。
The structures and activities of 35 sesquiterpenoid antitumor agents are discussed, and found that each compound must have an active group with a conjugated π-bond.
本文列举35种倍半萜类抗癌剂的结和活性,从中归纳出有强抗癌活性的必要条件是分子中必须具有含共轭π键的活性基团。
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