title: A new cucurbitacin from Picria fel-terrae.
abstract: A new cucurbitacin, picfeltarraenone II (1) as well as four known cucurbitacins, picfeltarraegenin I (2), picfeltarraenin IA (3), picfeltarraenin IB (4), and picfeltarraenin IV (5), have been isolated and characterized from the whole plant of Picria fel-terrae. The purity of picfeltarraenin IA has been determined by TLC and HPLC.
authors.affiliation: Guilin Sanjin Pharmaceutical Co. Ltd., Guilin, 541004, China. wlsheng2840@sina.com
authors.forename: J-M
authors.initials: JM
authors.lastname: Zou
authors.forename: L-S
authors.initials: LS
authors.lastname: Wang
authors.forename: X-M
authors.initials: XM
authors.lastname: Ma
authors.forename: Y-J
authors.initials: YJ
authors.lastname: Guo
authors.forename: R-B
authors.initials: RB
authors.lastname: Shi
mesh_terms: D054728:Cucurbitacins; D015394:Molecular Structure; D028083:Scrophulariaceae / Q000737:chemistry*; D014315:Triterpenes / Q000737:chemistry* / Q000302:isolation & purification
chemical_list: D014315:Triterpenes; C517451:picfeltarraenone II; D054728:Cucurbitacins