ChemInform Abstract: A FeCl3‐Catalyzed Highly Regioselective 1, 2‐Addition/Substitution Sequence for the Construction of Coumarin‐Substituted Bis(indolyl)methanes. Issue 38 (September 2016) - Wang, Wen‐Bo; Zhu, Yan‐Shuo; Guo, Sheng‐Qiang; Wang, Qi‐Lin; Bu, Zhan‐Wei