Kim, Hyunjin M.; Smith, Michelle D.; Kim, Jae-Hun; Caplen, Mary Ann; Chan, Tin Yau; McKittrick, Brian A.; Cook, John A.; Van Heek, Margaret; Lachowicz, Jean Bioorganic and Medicinal Chemistry Letters, 2013, vol. 23, # 23 p. 6410 - 6414 doi: 10.1016/j.bmcl.2013.09.048