[1]Richter[ChemischeBerichte,1916,vol.49,p.1401]
[2]Kehrmann,Sandoz,Monnier[HelveticaChimicaActa,1921,vol.4,p.946]
[3]Richter[ChemischeBerichte,1916,vol.49,p.1401]
[1]MolecularCrystalsandLiquidCrystals(1969-1991),1990,vol.193,p.229-234
[1]Hussey,BrendanJ.;Johnstone,A.W.;Entwistle,IanD.[Tetrahedron,1982,vol.38,#24,p.3775-3781]
[1]JournaloftheChemicalSociety,1930,p.2729,2732
[1]JustusLiebigsAnnalenderChemie,1938,vol.533,p.278,286