Karoli, Tomislav; Mamidyala, Sreeman K.; Zuegg, Johannes; Fry, Scott R.; Tee, Ernest H.L.; Bradford, Tanya A.; Madala, Praveen K.; Huang, Johnny X.; Ramu, Soumya; Butler, Mark S.; Cooper, Matthew A. Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 7 p. 2428 - 2433