Cannogenol 3-O-β-gentiobiosyl- (1→4) -α-L-thevetoside

Cannogenol 3-O-β-gentiobiosyl- (1→4) -α-L-thevetoside (Compound 12), a cardiac glycoside extracted from Thevetia peruviana seeds, exhibits cytotoxic effects on SW1990 and MGC-803 cells with IC50 values of 9.52 and 7.70 μM, respectively [1].

C(O)[C@@]12[C@@]3([C@]([C@]4(O)[C@](C)(CC3)[C@H](CC4)C=5COC(=O)C5)(CC[C@@]1(C[C@@H](O[C@H]6[C@@H](O)[C@H](OC)[C@@H](O[C@@H]7O[C@H](CO[C@@H]8O[C@H](CO)[C@@H](O)[C@H](O)[C@H]8O)[C@@H](O)[C@H](O)[C@H]7O)[C@H](C)O6)CC2)[H])[H])[H]