(untitled) - Na, R S; Jing, C F; Xu, Q H; Jiang, H; Wu, X; Shi, J Y; Zhong, J C; Wang, M; Benitez, D; Tkatchouk, E; Goddard, W A, III; Guo, H C; Kwon, O (J. Am. Chem. Soc., 2011)