Maqbool, Tahir, Areesha Nazeer, Muhammad Naeem Khan, Mark C. Elliott, Misbahul Ain Khan, Muhammad Ashraf, Muhammad Nasrullah, Shafia Arshad, and Munawar Ali Munawar. 2014. “Pyrazolopyridines II: Synthesis and Antibacterial Screening of 6-Aryl-3-Methyl-1-Phenyl-1H-pyrazolo[3,4-b]pyridine-4-Carboxylic Acids”. Asian Journal of Chemistry 26 (10):2870-72. https://doi.org/10.14233/ajchem.2014.15918.