[1]Dostal,Wolfgang;Heinisch,Gottfried[JournalofHeterocyclicChemistry,1985,vol.22,p.1543-1546]
[1]Klempier;DeRaadt;Faber;Grieng[TetrahedronLetters,1991,vol.32,#3,p.341-344]
[2]Klempier,Norbert;Raadt,Annade;Griengl,Herfried;Heinisch,Gottfried[JournalofHeterocyclicChemistry,1992,vol.29,#1,p.93-95]
[3]CurrentPatentAssignee:SANOFI-US4104386,1978,A
[4]CurrentPatentAssignee:SANOFI-US4110450,1978,A
[1]CurrentPatentAssignee:SANOFI-US4104386,1978,A
[2]CurrentPatentAssignee:SANOFI-US4110450,1978,A
[1]CurrentPatentAssignee:SANOFI-US4110450,1978,A
[1]CurrentPatentAssignee:SANOFI-US4110450,1978,A