ChemInform Abstract: 2‐Aminophenyl‐1H‐pyrazole as a Removable Directing Group for Copper‐Mediated C—H Amidation and Sulfonamidation. Issue 42 (September 2016) - Lee, Wan‐Chen Cindy; Shen, Yuning; Gutierrez, David A.; Li, Jie Jack