Murakami, Yasuoki; Watanabe, Toshiko; Suzuki, Hideharu; Kotake, Nobuyo; Takahashi, Tomoko; Toyonari, Kiyono; Ohno, Masami; Takase, Kyoko; Suzuki, Takayuki; Kondo, Kazuhiro
Chemical and Pharmaceutical Bulletin, 1997 , vol. 45, # 11 p. 1739 - 1744