Pharmuka Laboratoires
Patent: US4546185 A1, 1985 ;

Koikov, L. N.; Lisitsa, E. A.; Alekseeva, N. A.; Turchin, K. F.; Filipenko, T. Ya.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 11 p. 1289 - 1292
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 11 p. 1509 - 1512

Guminski, Yves; Fabre, Valerie; Lesimple, Patrick; Imbert, Thierry
Organic Preparations and Procedures International, 1999 , vol. 31, # 3 p. 319 - 323

Guminski, Yves; Fabre, Valerie; Lesimple, Patrick; Imbert, Thierry
Organic Preparations and Procedures International, 1999 , vol. 31, # 3 p. 319 - 323