Murakami, Yasushi; Hara, Hirokazu; Okada, Tetsuo; Hashizume, Hiroshi; Kii, Makoto; Ishihara, Yasunobu; Ishikawa, Michio; Shimamura, Mayumi; Mihara, Shin-Inchi; Kato, Goro; Hanasaki, Kohji; Hagishita, Sanji; Fujimoto, Masafumi Journal of Medicinal Chemistry, 1999, vol. 42, # 14 p. 2621 - 2632 doi: 10.1021/jm990044m