Takashiro, Eiji; Hayakawa, Ichiro; Nitta, Tamayo; Kasuya, Atsushi; Miyamoto, Shuichi; Ozawa, Yuji; Yagi, Ryuichi; Yamamoto, Ikue; Shibayama, Takahiro; Nakagawa, Akihiko; Yabe, Yuichiro
Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 9 p. 2063 - 2072