title: Studies on chemical constituents of antitumor fraction from Periploca sepium. V. Structures of new pregnane glycosides, periplocosides J, K, F and O.
authors.forename: H
authors.initials: H
authors.lastname: Itokawa
authors.forename: J P
authors.initials: JP
authors.lastname: Xu
authors.forename: K
authors.initials: K
authors.lastname: Takeya
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D006027:Glycosides / Q000032:analysis*; D011283:Pregnenes / Q000032:analysis*
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D006027:Glycosides; D011283:Pregnenes; C059458:periplocoside O; C059455:periplocoside J; C059456:periplocoside K; C059457:periplocoside F