Bioconjugation by Native Chemical Tagging of C–H Bonds Qianghui Zhou†, Jinghan Gui†, Chung-Mao Pan†, Earl Albone‡, Xin Cheng‡, Edward M. Suh§, Luigi Grasso‡, Yoshihiro Ishihara†, and Phil S. Baran*†J. Am. Chem. Soc. 2013, 135, 12994.