Showing structure for CC(C)(C)[Si](C)(C)NC1=NC2=C(N=C(C(O[Si](C)(C)C(C)(C)C)C(O)COP(=O)([O-])[O-])CN2[Si](C)(C)C(C)(C)C)C(=O)N1[Si](C)(C)C(C)(C)C