[1]CurrentPatentAssignee:I.G.FARBENINDUSTRIEAG(historic)-DE720467,1939,C
[1]Fieser;Putnam[JournaloftheAmericanChemicalSociety,1947,vol.69,p.1041,1044]
[1]Kuhn;Michel[ChemischeBerichte,1938,vol.71,p.1119,1125]
[1]SandovalLandazuri[AnalesdelaRealSociedadEspanoladeFisicayQuimica,1944,vol.40,p.167,183]
[1]Fieser;Putnam[JournaloftheAmericanChemicalSociety,1947,vol.69,p.1041,1044]