Lup-20 (29) -en-28-oic acid

OC([C@]12[C@@]([C@H](C(C)=C)CC2)([H])[C@]3([H])[C@](C)([C@]4([C@]([C@@]5([C@@]([C@@](C)([C@@H](O[C@@]6([H])[C@@H]([C@H]([C@@H](O[C@]7([H])O[C@@H]([C@@H](O)[C@H](O)[C@H]7O)CO)CO6)O)O[C@@]8([H])[C@@H]([C@@H]([C@@H](O)[C@H](C)O8)O)O)CC5)CO)([H])CC4)C)([H])CC3)C)CC1)=O

[1]Wei Li, et al. Triterpenoid saponins of Pulsatilla koreana root have inhibition effects of tumor necrosis factor-α secretion in lipopolysaccharide-induced RAW264.7 cells. Chem Pharm Bull (Tokyo) . 2013;61 (4) :471-6.|[2]Seong-Cheol Bang, et al. Antitumor activity of Pulsatilla koreana saponins and their structure-activity relationship. Chem Pharm Bull (Tokyo) . 2005 Nov;53 (11) :1451-4.