COC1=CC(C=CC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP([O-])(=O)OP([O-])(=O)OCC2OC(C(O)C2OP([O-])([O-])=O)N2C=NC3=C2N=CN=C3N)=CC(OC)=C1O