Showing structure for CC(C)(C)[Si](C)(C)NC1=NC=NC2=C1N=CN2C1OC(COP(=O)(O)OC(=O)CCC[C@@H](C(=O)O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H]1O