Mueller, Rudolf; Li, Yong-Xin; Hampson, Aidan; Zhong, Sheng; Harris, Clayton; Marrs, Christopher; Rachwal, Stanislaw; Ulas, Jolanta; Nielsson, Lena; Rogers, Gary Bioorganic and Medicinal Chemistry Letters, 2011 , vol. 21, # 13 p. 3923 - 3926