[1]ChemistryofHeterocyclicCompounds,1967,vol.3,p.818-820 KhimiyaGeterotsiklicheskikhSoedinenii,1967,vol.3,p.1048-1052
[1]ChemistryofHeterocyclicCompounds,1967,vol.3,p.818-820 KhimiyaGeterotsiklicheskikhSoedinenii,1967,vol.3,p.1048-1052
[1]Heterocycles,1997,vol.45,p.955-962
[2]ChemistryofHeterocyclicCompounds,1967,vol.3,p.818-820 KhimiyaGeterotsiklicheskikhSoedinenii,1967,vol.3,p.1048-1052
[1]ChemistryofHeterocyclicCompounds,1967,vol.3,p.818-820 KhimiyaGeterotsiklicheskikhSoedinenii,1967,vol.3,p.1048-1052
[1]Heterocycles,1997,vol.45,p.955-962