SMILES: C[C@@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2CC[C@@]3([C@H]4C[C@H]([C@@]5([C@@](CC[C@@]5([C@@]4(CC=C3C2)O)O)(C(=O)C)O)C)OC(=O)/C=C/C6=CC=CC=C6)C)O)O
Description: The molecule is a steroid glycoside isolated from the roots of Cynanchum auriculatum and has been shown to exhibit cytotoxicity against human tumour cell lines. It has a role as a metabolite and an antineoplastic agent. It is a 17beta-hydroxy steroid, a cinnamate ester, a methyl ketone, a deoxy hexoside, a steroid ester, a steroid saponin and a tertiary alpha-hydroxy ketone. It derives from a hydride of a pregnane.