[1]Patent:US2013/345120,2013,A1,.Locationinpatent:Page/Pagecolumn
[2]Patent:US8901119,2014,B2,.Locationinpatent:Page/Pagecolumn
[1]JournaloftheAmericanChemicalSociety,1955,vol.77,p.5140,5142
[2]Patent:US2557779,1947,,
[3]Patent:US2530348,1946,,
[4]ChemicalandPharmaceuticalBulletin,1982,vol.30,#4,p.1225-1233
[5]Patent:US2530348,1946,,
[6]Patent:US2557779,1947,,
[1]ChemischeBerichte,1950,vol.83,p.271
[2]J.TohokuColl.Pharm.,1956,#3,p.77,80
[3]Chem.Abstr.,1957,p.5698
[1]ZhurnalObshcheiKhimii,1938,vol.8,p.1438,1443
[2]Chem.Zentralbl.,1940,vol.111,#I,p.1490
[1]RecueildesTravauxChimiquesdesPays-Bas,1937,vol.56,p.1211,1214