COc1ccc(Cc2nc([N-]C3=NC(=O)N(C)C3=O)n(C)c2Cc2ccc(OC)c(OC)c2O)cc1.COc1ccc(Cc2nc([N-]C3=NC(=O)N(C)C3=O)n(C)c2Cc2ccc(OC)c(OC)c2O)cc1.[Zn+2]	Bis(pyronaamidine)zinc