TERPENOIDS AND STEROIDS 



131 



TABLE 7. BICYCLIC SESQUITERPENOIDS, 

 STRUCTURES AND OCCURRENCE 



Q-cadinene {Cedrus spp. ) 



guaiol (Guaiacum officinale) 



/3-selinene (Apiiim graveolens) 



kessyl alcohol 

 (Valeriatia officinalis) 



eudesmol (Eucalyptus piperita) 



vetivone (Vetiveria zizanioides) 



santonin (Artemisia spp. ) 



artabsin (Artemisia absinthium) 



