title: Dustanin: a new pentacyclic triterpenoid as a fungal metabolite.
mesh_terms: D001230:Aspergillus / Q000378:metabolism*; D055598:Chemical Phenomena; D002621:Chemistry; D066298:In Vitro Techniques; D011083:Polycyclic Compounds / Q000096:biosynthesis*; D013729:Terpenes / Q000096:biosynthesis*
chemical_list: D011083:Polycyclic Compounds; D013729:Terpenes