Tanaka; Yakushijin; Yoshina Journal of Heterocyclic Chemistry, 1979 , vol. 16, # 4 p. 785 - 788 Title/Abstract Full Text View citing articles Show Details Nakashima; Kawashima; Amanuma; Sota; Tanaka; Kameyama Chemical and Pharmaceutical Bulletin, 1984 , vol. 32, # 11 p. 4271 - 4280