Showing structure for CC(C)(C)[Si](C)(C)OC[C@H](O[Si](C)(C)C(C)(C)C)[C@@H](O)C1=NC2=C(N([Si](C)(C)C(C)(C)C)C1)N([Si](C)(C)C(C)(C)C)C(=N)N=C2O[Si](C)(C)C(C)(C)C