TY - JOUR AU - Hussain, M M; Li, H; Hussain, N; UreƱa, M; Carroll, P J; Walsh, P J JO - J. Am. Chem. Soc. VL - 131 PY - 2009 DO - 10.1021/ja900147s L3 - PubMed-ID: 19382808 SP - 6516 ER -