[1]Campaigne,E.etal.[JournalofHeterocyclicChemistry,1979,vol.16,p.725-729]
[1]Campaigne,E.etal.[JournalofHeterocyclicChemistry,1979,vol.16,p.725-729]
[1]CurrentPatentAssignee:ASTRAZENECAPLC-US2003/40523,2003,A1
[1]CurrentPatentAssignee:ASTRAZENECAPLC-US2003/32642,2003,A1
[1]CurrentPatentAssignee:THEGOVERNMENTOFTHEUNITEDKINGDOM-US6600028,2003,B1