[1]
T. SHIVARAJ GOUDA, P. UPADHYAYA, M. SALAHUDDIN, and S. SHANTAKUMAR, “Synthesis, Characterization and Biological Activity of Some Thiophene Substituted Biheterocycles Containing Oxadiazoles”, ajc, vol. 21, no. 9, pp. 7155–7162, Mar. 2010.