(untitled) - Gao, W; Busson, S; Grill, S P; Gullen, E A; Hu, Y.-C; Huang, X; Zhong, S; Kaczmarek, C; Gutierrez, J; Francis, S; Baker, D C; Yu, S; Cheng, Y.-C (Bioorg. Med. Chem. Lett., 2007)