MANISH MITTAL; SURAJ M. SARODE; DR. G. VIDYASAGAR. Synthesis, Characterization And Antimicrobial Activity Of Substituted Tricyclic Compounds: 5,6,7,8-Tetrahydro Pyrido[4’,3’:4,5]Thieno[2,3-D]Pyrimidines. ijpbs 2011, 2, 188-196.