ChemInform Abstract: Intramolecular [2 + 2 + 2] Cycloaddition of Bis(propargylphenyl)carbodiimides: Synthesis of L‐Shaped π‐Extended Compounds with Pyrrolo[1, 2‐a][1, 8]naphthyridine Corner Units. Issue 43 (7th October 2013)