Novel synthesis of substituted N-(3-aryl-1, 8-naphthyridin-2-yl) and N, N′-bis(3-aryl-1, 8-naphthyridin-2-yl)benzene-1, 4-diamines and 2-(4-((3-aryl-1, 8-naphthyridin-2-yl)amino)phenyl)isoindoline-1, 3-diones and their biological evaluation. Issue 1 (2nd January 2018)