title: Antitumor activity of Bursera schlechtendalii (burseraceae): isolation and structure determination of two new lignans.
mesh_terms: D000230:Adenocarcinoma; D000970:Antineoplastic Agents / Q000302:isolation & purification*; D002855:Chromatography, Thin Layer; D003903:Deuterium; D007783:Lactones / Q000138:chemical synthesis; D008031:Lignin / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008800:Mexico; D009303:Nasopharyngeal Neoplasms; D009374:Neoplasms, Experimental; D010936:Plant Extracts; D010946:Plants, Medicinal; D013055:Spectrophotometry, Infrared; D013057:Spectrum Analysis
chemical_list: D000970:Antineoplastic Agents; D007783:Lactones; D010936:Plant Extracts; D008031:Lignin; D003903:Deuterium