title: New diterpenoids from Pterodon emarginatus Vog.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005638:Fruit; D010936:Plant Extracts / Q000302:isolation & purification; D010946:Plants, Medicinal / Q000032:analysis*; D012556:Schistosomicides / Q000302:isolation & purification; D013057:Spectrum Analysis; D013237:Stereoisomerism; D013729:Terpenes / Q000302:isolation & purification*
chemical_list: D010936:Plant Extracts; D012556:Schistosomicides; D013729:Terpenes