参考文献

Igarashi, Susumu; Kimura, Takenori; Naito, Ryo; Hara, Hiromu; Fujii, Masahiro; Koutoku, Hiroshi; Oritani, Hiroyuki; Mase, Toshiyasu Chemical and Pharmaceutical Bulletin, 1999 , vol. 47, # 8 p. 1073 - 1080