Hussain Bokhari, T.; Ashraf, N.; Shafiq, M.; Ahmed, M.; Rasool, N.; Ahmad Shad, H.; Ashraf, N.; Arshad, N.; Nawaz Tahir, M. Synthesis, Characterization and Biological Activities of 2-[(Methyl sulfonyl)]amino Benzoic Acid Derivatives and Their Metal Complexes. ajc 2015, 27, 1326-1330.