(untitled) - Li, W; Wang, X Y; Zheng, R; Yan, H; Cao, Z; Zhong, L; Wang, Z R; Ji, P; Yang, L L; Wang, L J; Xu, Y; Liu, J J; Yang, J; Zhang, C H; Ma, S; Feng, S; Sun, Q Z; Wei, Y Q; Yang, S Y (J. Med. Chem., 2012)