[1]Renzi,G.etal.[GazzettaChimicaItaliana,1969,vol.99,p.753-761]
[1]Kochetkov,N.K.etal.[JournalofgeneralchemistryoftheUSSR,1962,vol.32,p.1763-1769][ZhurnalObshcheiKhimii,1962,vol.32,p.1778-1785]
[1]Alberola;Antolin;Gonzalez;etal.[JournalofHeterocyclicChemistry,1986,vol.23,#4,p.1035-1038]
[1]Alberola;Antolin;Gonzalez;etal.[JournalofHeterocyclicChemistry,1986,vol.23,#4,p.1035-1038]
[1]Alberola,A.;Gonzalez,A.M.;Guerra,D.;Pulido,F.J.[JournalofHeterocyclicChemistry,1982,vol.19,p.1073-1076]