[1]Kirpichenok,M.A.;Mel'nikova,L.M.;Denisov,L.K.;Grandberg,I.I.[ChemistryofHeterocyclicCompounds,1990,vol.26,#8,p.858-862][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#8,p.1028-1032]
[2]Kirpichenok,M.A.;Mel'nikova,L.M.;Denisov,L.K.;Grandberg,I.I.[ChemistryofHeterocyclicCompounds,1990,vol.26,#8,p.858-862][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#8,p.1028-1032]
[1]Matsui,Masaki;Shibata,Katsuyoshi;Muramatsu,Hiroshige;Sawada,Hideo;Nakayama,Masaharu[ChemischeBerichte,1992,vol.125,#2,p.467-472]
[1]Kirpichenok,M.A.;Yufit,D.S.;Mel'nikova,L.M.;Grandberg,I.I.;Struchkov,Yu.T.;Denisov,L.K.[ChemistryofHeterocyclicCompounds,1990,vol.26,#10,p.1096-1101][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#10,p.1319-1325]
[2]Kirpichenok,M.A.;Yufit,D.S.;Mel'nikova,L.M.;Grandberg,I.I.;Struchkov,Yu.T.;Denisov,L.K.[ChemistryofHeterocyclicCompounds,1990,vol.26,#10,p.1096-1101][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#10,p.1319-1325]
[1]Kirpichenok,M.A.;Mel'nikova,L.M.;Denisov,L.K.;Grandberg,I.I.[ChemistryofHeterocyclicCompounds,1990,vol.26,#8,p.858-862][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#8,p.1028-1032]
[2]Kirpichenok,M.A.;Mel'nikova,L.M.;Denisov,L.K.;Grandberg,I.I.[ChemistryofHeterocyclicCompounds,1990,vol.26,#8,p.858-862][KhimiyaGeterotsiklicheskikhSoedinenii,1990,#8,p.1028-1032]
[1]Matsui,Masaki;Shibata,Katsuyoshi;Muramatsu,Hiroshige;Sawada,Hideo;Nakayama,Masaharu[ChemischeBerichte,1992,vol.125,#2,p.467-472]