[1]Feuer,H.etal.[Tetrahedron,Supplement,1963,vol.4,p.165-176]
[1]Rosowsky,A.etal.[JournalofHeterocyclicChemistry,1976,vol.13,p.727-732]
[1]Feuer,H.etal.[Tetrahedron,Supplement,1963,vol.4,p.165-176]
[1]Feuer,H.etal.[Tetrahedron,Supplement,1963,vol.4,p.165-176]
[1]Rosowsky,A.etal.[JournalofHeterocyclicChemistry,1976,vol.13,p.727-732]