Diosgenin-3-O-rhamnosyl (1→2) [glucosyl (1→6) ]glucoside

Diosgenin-3-O-rhamnosyl (1→2) [glucosyl (1→6) ]glucoside (compound 9), a steroidal saponin, is isolated from Paris polyphylla var. yunnanensis, commonly known as Yunnan pine [1].

C[C@@]12[C@@]3([C@](C[C@]1([C@]4([C@](CC2)([C@]5(C)C(=CC4)C[C@@H](O[C@H]6[C@H](O[C@H]7[C@H](O)[C@H](O)[C@@H](O)[C@H](C)O7)[C@@H](O)[C@H](O)[C@@H](CO[C@@H]8O[C@H](CO)[C@@H](O)[C@H](O)[C@H]8O)O6)CC5)[H])[H])[H])(O[C@@]9([C@H]3C)CC[C@@H](C)CO9)[H])[H]