ChemInform Abstract: An Efficient and Convenient Method for Synthesizing New Derivatives of Pyrido[2, 3‐e]pyrrolo[1, 2‐a][1, 4]diazepine‐5, 10‐dione via Sonogashira, Suzuki—Miyaura, and Stille Cross‐Coupling Reactions. Issue 12 (14th March 2013)