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。

Studies on the synthesis of optical active bisabolene's sesquiterpenes
光学活性没药烯类倍半萜的合成研究

Sesquiterpene Pyridine Alkaloids from Euonymus japonicus and Their Insecticidal Activity
冬青卫矛的大环生物碱分离鉴定及其杀虫活性研究

Synthesis of optical active sesquiterpenes and the exploration of their antifertility effect
光学活性姜烯类倍半萜的合成及其抗生育活性的探索

Cloning, E. Coli Expression and Molecular Analysis of a Novel Sesquiterpene Synthase Gene from Artemisia annua
一个新高产青蒿倍半萜合酶基因的克隆、表达和分析

SESQUITERPENE COMPONENTS FROM EUPATORIUM GENUS
泽兰属植物中的倍半萜化学成分

The main components of I. japonica are sesquiterpene lactones.
旋覆花的主要成分为倍半萜内酯类化合物。

Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by highspeed countercurrent chromatography.
高速逆流色谱法分离毛菊苣根中得三种倍半萜烯内酯。

Studies on sesquiterpenes from root of Aucklandia lappa and their cytotoxic activity
木香的倍半萜类化学成分及其肿瘤细胞毒活性研究

Insecticidal Sesquiterpene Esters from Celastrus angulatus
杀虫植物苦皮藤毒杀成分的研究

Gossypol is a kind of sesquiterpene, which generally exist in the gossypol gland.
棉酚是一种存在于棉酚腺体得倍半萜烯类化合物。

sesquiterious fascia.
三四比横带