Ikeya, Yukinobu; Taguchi, Heihachiro; Sasaki, Hiroshi; Nakajima, Kaoru; Yosioka, Itiro Chemical & Pharmaceutical Bulletin, 1980 , vol. 28, p. 2414 - 2421 Title/Abstract Full Text Show Details Ikeya, Yukinobu; Taguchi, Heihachiro; Yoshioka, Itiro Chemical & Pharmaceutical Bulletin, 1981 , vol. 29, # 10 p. 2893 - 2898