ChemInform Abstract: A Novel Highly Site‐Selective Synthesis of 2, 4, 7‐Triarylpyrrolo[2, 3‐d]pyrimidines by a Combination of Palladium(0)‐, Nickel(0)‐, and Copper(I)‐Catalyzed Cross‐Coupling Reactions. Issue 44 (14th October 2013)