ChemInform Abstract: Unexpected Formation of N‐(1‐(2‐Aryl‐hydrazono)isoindolin‐2‐yl)benzamides and Their Conversion into 1, 2‐(Bis‐1, 3, 4‐oxadiazol‐2‐yl)benzenes. Issue 30 (4th July 2013)