[1]Alenin,V.V.;Kostikova,T.R.;Domkin,V.D.[JournalofgeneralchemistryoftheUSSR,1987,vol.57,p.609-617][ZhurnalObshcheiKhimii,1987,vol.57,#3,p.692-701]
[1]Piotrovskii,L.B.;Dumpis,M.A.[ChemistryofHeterocyclicCompounds,1990,vol.26,#4,p.407-409][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#4,p.475-477]
[1]Alenin,V.V.;Kostikova,T.R.;Domkin,V.D.[JournalofgeneralchemistryoftheUSSR,1987,vol.57,p.609-617][ZhurnalObshcheiKhimii,1987,vol.57,#3,p.692-701]
[1]Alenin,V.V.;Kostikova,T.R.;Domkin,V.D.[JournalofgeneralchemistryoftheUSSR,1987,vol.57,p.609-617][ZhurnalObshcheiKhimii,1987,vol.57,#3,p.692-701]
[1]ChemicalandPharmaceuticalBulletin,1994,vol.42,p.1463-1473