[1]Dennin,F.;Blondeau,D.;Sliwa,H.[JournalofHeterocyclicChemistry,1990,vol.27,#7,p.1963-1967]
[2]Dennin,F.;Blondeau,D.;Sliwa,H.[TetrahedronLetters,1989,vol.30,#12,p.1529-1530]
[1]Dennin,F.;Blondeau,D.;Sliwa,H.[JournalofHeterocyclicChemistry,1990,vol.27,#7,p.1963-1967]
[1]Dennin,F.;Blondeau,D.;Sliwa,H.[TetrahedronLetters,1989,vol.30,#12,p.1529-1530]
[2]Dennin,F.;Blondeau,D.;Sliwa,H.[JournalofHeterocyclicChemistry,1990,vol.27,#7,p.1963-1967]
[1]Dennin,F.;Blondeau,D.;Sliwa,H.[JournalofHeterocyclicChemistry,1990,vol.27,#7,p.1963-1967]