Yamagiwa, Yoshiro; Koreishi, Yoshiro; Kiyozumi, Satoshi; Kobayashi, Masanori; Kamikawa, Tadao; Tsukino, Mitsuji; Goi, Hironori; Yamamoto, Mikiko; Munakata, Megumu Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 11 p. 3317 - 3323