Matsuno, Kenji; Ushiki, Junko; Seishi, Takashi; Ichimura, Michio; Giese, Neill A.; Yu, Jin-Chen; Takahashi, Shusuke; Oda, Shoji; Nomoto, Yuji Journal of Medicinal Chemistry, 2003 , vol. 46, # 23 p. 4910 - 4925