SANCHITA RAI et al. 2019. Synthesis, spectroscopic characterization and biological activity of macrocyclic copper (II) complex: Anti-bacterial activity against multi – Drug resistant bacteria. International Journal of Pharma and Bio Sciences. 10, 4 (Dec. 2019), 36–48. DOI:https://doi.org/10.22376/ijpbs.2019.10.4.p36-48.