ChemInform Abstract: Reaction of Lithium 2‐Arylethynides with 6‐Aryl‐3‐(2‐pyridyl)‐1, 2, 4‐triazines as an Access to 6‐Aryl‐5‐arylvinyl‐3‐(2‐pyridyl)‐1, 2, 4‐triazines (III). Issue 7 (January 2016)