Mallikarjun B. Kalashetti; Ashraf Y. Khan; Narahari Deshapande; Ningaraddi S. Belavagi; Manjunath G. Sunagar; Supreet Gaonkar; Imtiyaz Ahmed M. Khazi. Design, Synthesis and Antimicrobial Activity of Tricyclic Tetrahydro Thieno [2,3-D] Pyrimidine Derivatives. World J Pharm Sci 2015, 3, 463-467.