“Synthesis Of 5, 7-Diaryl-1,5-Dihydro (Or 1, 2, 3, 5-Tetrahydro)- Pyrano[2, 3-D] Pyrimidin-2, 4-Diones (Or 2-Thioxo-4-Ones)”., J. Bangla. Chem. Soc., vol. 25, no. 2, pp. 124–131, May 2013, doi: 10.3329/jbcs.v25i2.15064.