TY - JOUR AU - Walker, W K; Kay, B M; Michaelis, S A; Anderson, D L; Smith, S J; Ess, D H; Michaelis, D J JO - J. Am. Chem. Soc. VL - 137 PY - 2015 DO - 10.1021/jacs.5b02428 SP - 7371 ER -