S. Shashidhar Reddy, B. George Vineel, S. Venkataiah, A. Naidu, and P. Dubey, “Novel Synthesis of (R)-Imidazolo[1,2c][1,2,3]triazolo[4,5e]pyrimidines”, ajc, vol. 26, no. 22, pp. 7693–7696, Nov. 2014.