[1]Short,F.W.;Long,L.M.[JournalofHeterocyclicChemistry,1969,vol.6,p.707-712]
[1]Hassner,A.;Fischer,B.[JournalofOrganicChemistry,1991,vol.56,#10,p.3419-3425]
[1]Hassner,A.;Fischer,B.[JournalofOrganicChemistry,1991,vol.56,#10,p.3419-3425]
[2]CurrentPatentAssignee:BRISTOL-MYERSSQUIBBCO-US6335324,2002,B1Locationinpatent:Pagecolumn266
[1]Hassner,A.;Fischer,B.[JournalofOrganicChemistry,1991,vol.56,#10,p.3419-3425]