参考文献

Akasaka, Kozo; Akamatsu, Hiroshi; Kimoto, Yuichi; Komatsu, Yuki; Shimizu, Toshikazu; Shimomura, Naoyuki; Tagami, Katsuya; Negi, Shigeto Chemical and Pharmaceutical Bulletin, 1999 , vol. 47, # 11 p. 1525 - 1531