(1)
Montazeri, N.; Pourshamsian, K.; Kalantarian, R.; Mehdi Kia, M. Silica Gel-Supported Poly Phosphoric Acid Catalyzed One-Pot Multi-Componen Synthesis of 2,4,6-Triarylpyridines under Solvent-Free and Microwave Irradiation Conditions. ajc 2012, 24, 3751-3753.