Showing structure for CC(C)(C)[Si](C)(C)OC(=O)C1O[C@H](O[C@@H]2CC[C@@]3(C)[C@@H](CC[C@@H]4[C@@H]3CC[C@]3(C)[C@@H](O[Si](C)(C)C(C)(C)C)CC[C@@H]43)C2)[C@H](O)C(O)[C@@H]1O