[1]CurrentPatentAssignee:BASFSE-FR1521959,1968,A[Chem.Abstr.,1969,vol.71,#3166][Chem.Abstr.,1969,vol.71,#3166]
[1]CurrentPatentAssignee:BASFSE-FR1521959,1968,A[Chem.Abstr.,1969,vol.71,#3166][Chem.Abstr.,1969,vol.71,#3166]
[1]CurrentPatentAssignee:Schering-FR2335497,1977,B1[Chem.Abstr.,1977,vol.87,#167773][Chem.Abstr.,1977,vol.87,#167773]
[1]CurrentPatentAssignee:Novartis(w/oSandoz);NOVARTISAG-CH549337,1974,A[Chem.Abstr.,1972,vol.77,#126259][Chem.Abstr.,1972,vol.77,#126259]
[1]CurrentPatentAssignee:SHOWADENKI;SHOWADENKOKK-DE2200325,1973,A1[Chem.Abstr.,1974,vol.80,#11215][Chem.Abstr.,1974,vol.80,#11215]
