Hayakawa, Masahiko; Kaizawa, Hiroyuki; Moritomo, Hiroyuki; Koizumi, Tomonobu; Ohishi, Takahide; Okada, Minoru; Ohta, Mitsuaki; Tsukamoto, Shin-ichi; Parker, Peter; Workman, Paul; Waterfield, Mike Bioorganic and Medicinal Chemistry, 2006 , vol. 14, # 20 p. 6847 - 6858