ChemInform Abstract: One‐Pot Synthesis of Dispiro[oxindole‐3, 3′‐pyrrolidines] by Three‐Component [3 + 2] Cycloadditions of in situ‐Generated Azomethine Ylides with 3‐Benzylidene‐2, 3‐dihydro‐1H‐indol‐2‐ones. Issue 15 (15th April 2014)