Laeva; Nosova; Lipunova; Golovchenko; Adonin; Parmon; Charushin
Russian Journal of Organic Chemistry, 2009 , vol. 45, # 6 p. 913 - 920

Asakawa,H. et al.
Chemical and Pharmaceutical Bulletin, 1979 , vol. 27, p. 287 - 294