Ashok G. Awale (2024) “Synthesis of Novel 2,6,9-Trisubstituted Purine Derivatives Coupled with L-Methionine at C2 Position and their Biological Evaluation as Potential Antimicrobial Agent”, Recent Developments in Chemistry and Biochemistry Research Vol. 5, pp. 41–59. doi: 10.9734/bpi/rdcbr/v5/1160.