title: A novel tetracyclic sesquiterpene from the oil of Orejuela of Cymbopetalum penduliforum (Dunal).
mesh_terms: D002849:Chromatography, Gas; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D010944:Plants; D013057:Spectrum Analysis; D013729:Terpenes / Q000032:analysis* / Q000302:isolation & purification
chemical_list: D013729:Terpenes