[1]JournalofOrganicChemistry,2001,vol.66,#22,p.7283-7286
[2]OrganicSyntheses,2002,vol.79,p.204-204
[3]JournaloftheChemicalSociety,1954,p.4162,4165
[4]RecueildesTravauxChimiquesdesPays-Bas,1950,vol.69,p.1083,1103
[5]NipponKagakuZasshi,1957,vol.78,p.779,783
[6]Chem.Abstr.,1960,p.22559
[1]Patent:US4299769,1981,A,
[1]ChemistryofHeterocyclicCompounds,2011,vol.46,#10,p.1199-1207
[1]ChemistryofHeterocyclicCompounds,2011,vol.46,#10,p.1199-1207
[1]ChemistryofHeterocyclicCompounds,2011,vol.46,#10,p.1199-1207