[1]ChemischeBerichte,1940,vol.73,p.995,999
[1]ChemischeBerichte,1940,vol.73,p.995,999
[2]Patent:EP1637527,2006,A1.Locationinpatent:Page/Pagecolumn71-72
[1]JournaloftheAmericanChemicalSociety,1948,vol.70,p.2656,2658
[1]JournaloftheAmericanChemicalSociety,1948,vol.70,p.2656,2658
[1]ChemischeBerichte,1940,vol.73,p.995,999