title: Studies on zoapatle, II. Leucanthanolide, a novel sesquiterpene lactone from Montanoa leucantha ssp. leucantha.
mesh_terms: D000019:Abortifacient Agents; D000818:Animals; D000972:Antineoplastic Agents, Phytogenic; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007624:KB Cells; D007941:Leukemia P388 / Q000473:pathology; D008297:Male; D013058:Mass Spectrometry; D008800:Mexico; D010946:Plants, Medicinal / Q000032:analysis*; D011247:Pregnancy; D012717:Sesquiterpenes / Q000494:pharmacology*
chemical_list: D000019:Abortifacient Agents; D000972:Antineoplastic Agents, Phytogenic; D012717:Sesquiterpenes; C049718:leucanthanolide