Showing structure for CC(C)(C)[Si](C)(C)O[C@H]1CC2C[C@H](O)C[C@@H](O[Si](C)(C)C(C)(C)C)[C@]2(C)C2CC[C@@]3(C)C(CCC3[C@@H](CCCC(=O)O)O[Si](C)(C)C(C)(C)C)C21