ChemInform Abstract: Synthesis of Trifluoromethyl‐Containing Polysubstituted Aromatic Compounds by Diels—Alder Reaction of Ethyl 3‐Benzamido‐2‐oxo‐6‐(trifluoromethyl)‐2H‐pyran‐5‐carboxylate. Issue 34 (August 2015)