De, Mahuya; Majumdar, Dyuti P.; Kundu, Nitya G.
Journal of the Indian Chemical Society, 1999 , vol. 76, # 11-12 p. 665 - 674

Tomilin; Petrova; Sobenina; Mikhaleva; Trofimov
Chemistry of Heterocyclic Compounds, 2013 , vol. 49, # 2 p. 341 - 344
Khim. Geterotsikl. Soedin., 2013 , vol. 49, # 2 p. 341 - 344,4

Schramm, Oana G.; Oeser, Thomas; Kaiser, Marcel; Brun, Reto; Mueller, Thomas J. J.
Synlett, 2008 , # 3 p. 359 - 362

Glotova; Komarova; Nakhmanovich; Lopyrev
Russian Chemical Bulletin, 2000 , vol. 49, # 11 p. 1917 - 1918