title: Novel natural products with antitumor activity.
mesh_terms: D000477:Alkylating Agents / Q000302:isolation & purification; D000818:Animals; D000970:Antineoplastic Agents / Q000302:isolation & purification; D055598:Chemical Phenomena; D002621:Chemistry; D004224:Diterpenes / Q000302:isolation & purification; D004988:Ethers, Cyclic / Q000302:isolation & purification; D007783:Lactones / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D051379:Mice; D008968:Molecular Conformation; D009025:Morpholines / Q000302:isolation & purification; D010616:Phenanthrenes / Q000302:isolation & purification; D010936:Plant Extracts / Q000032:analysis; D011809:Quinones / Q000302:isolation & purification; D051381:Rats; D012503:Saponins / Q000302:isolation & purification; D012717:Sesquiterpenes / Q000302:isolation & purification; D014315:Triterpenes / Q000302:isolation & purification
chemical_list: D000477:Alkylating Agents; D000970:Antineoplastic Agents; D004224:Diterpenes; D004988:Ethers, Cyclic; D007783:Lactones; D009025:Morpholines; D010616:Phenanthrenes; D010936:Plant Extracts; D011809:Quinones; D012503:Saponins; D012717:Sesquiterpenes; D014315:Triterpenes