Electron-Rich Amino Heterocycles for Regiospecific Synthesis of Trifluoromethyl-Containing Fused Pyridines - Volochnyuk, Dmitriy M; Pushechnikov, Alexei O; Krotko, Dmitriy G; Sibgatulin, Dmitriy A; Kovalyova, Svetlana A; Tolmachev, Andrei A (Synthesis, 2003)