[1]Madakyan,V.N.;Kazaryan,R.K.;Manukyan,Sh.M.;Kurtikyan,T.S.;Ordyan,M.B.[ChemistryofHeterocyclicCompounds,1989,vol.25,#1,p.67-70][KhimiyaGeterotsiklicheskikhSoedinenii,1989,#1,p.79-82]
[1]Madakyan,V.N.;Kazaryan,R.K.;Manukyan,Sh.M.;Kurtikyan,T.S.;Ordyan,M.B.[ChemistryofHeterocyclicCompounds,1989,vol.25,#1,p.67-70][KhimiyaGeterotsiklicheskikhSoedinenii,1989,#1,p.79-82]
[1]Madakyan,V.N.;Kazaryan,R.K.;Manukyan,Sh.M.;Kurtikyan,T.S.;Ordyan,M.B.[ChemistryofHeterocyclicCompounds,1989,vol.25,#1,p.67-70][KhimiyaGeterotsiklicheskikhSoedinenii,1989,#1,p.79-82]
[1]Madakyan,V.N.;Kazaryan,R.K.;Manukyan,Sh.M.;Kurtikyan,T.S.;Ordyan,M.B.[ChemistryofHeterocyclicCompounds,1989,vol.25,#1,p.67-70][KhimiyaGeterotsiklicheskikhSoedinenii,1989,#1,p.79-82]
[1]Little,RobertG.[JournalofHeterocyclicChemistry,1981,vol.18,p.833-834]