Fig. 2From: Synthesis, characterization, DNA binding interactions, DFT calculations, and Covid-19 molecular docking of novel bioactive copper(I) complexes developed via unexpected reduction of azo-hydrazo ligandsSurvey spectra of XPS for (A) PCHD, (B) PyCHD, (C) [Cu(PCHD)2]ClO4. H2O, and (D) [Cu(PyCHD)2]ClO4.H2OBack to article page