CC(=O)O[C@H]1C[C@@]2(C)[C@@H]3CC[C@H]4C(C)(C)[C@@H](O[C@@H]5OC[C@@H](O)[C@H](O)[C@H]5O)CC[C@]4(C)C3=C[C@H](O)[C@@]23C(=O)O[C@@](C)(C2CCC(C)(C)O2)[C@@]13O	nobiliside C