[1]ChemistryofHeterocyclicCompounds,1986,vol.22,p.951-953 KhimiyaGeterotsiklicheskikhSoedinenii,1986,vol.22,p.1178-1180
[1]ChemistryofHeterocyclicCompounds,1986,vol.22,p.951-953 KhimiyaGeterotsiklicheskikhSoedinenii,1986,vol.22,p.1178-1180
[1]ChemistryofHeterocyclicCompounds,1986,vol.22,p.951-953 KhimiyaGeterotsiklicheskikhSoedinenii,1986,vol.22,p.1178-1180
[1]ChemistryofHeterocyclicCompounds,1986,vol.22,p.951-953 KhimiyaGeterotsiklicheskikhSoedinenii,1986,vol.22,p.1178-1180