ChemInform Abstract: Regioselectivity in the Cu(I)‐Catalyzed [4 + 2]‐Cycloaddition of 2‐Nitrosopyridine with Unsymmetrical Dienes. Issue 50 (16th December 2014) - Tran, Anh T.; Liu, Peng; Houk, K. N.; Nicholas, Kenneth M.