Anwar, Ayaz, Abdul Hameed, Shahida Perveen, Maliha Uroos, Muhammad Iqbal Choudhary, and Fatima Zahra Basha. 2014. “1,1-Diphenyl-2-Picrylhydrazyl Radical Scavenging Activity of Novel Dihydropyridine Derivatives”. European Journal of Chemistry 5 (1):189-91. https://doi.org/10.5155/eurjchem.5.1.189-191.916.