Miyachi, Hiroyuki; Nagatsu, Yoshio
Chemical and Pharmaceutical Bulletin, 2002 , vol. 50, # 8 p. 1137 - 1140

Latypov, Nikolai V.; Bergman, Jan; Langtet, Abraham; Wellmar, Ulf; Bemm, Ulf
Tetrahedron, 1998 , vol. 54, # 38 p. 11525 - 11536