[1]Childress;McKee[JournaloftheAmericanChemicalSociety,1951,vol.73,p.3862]
[1]Conover;Tarbell[JournaloftheAmericanChemicalSociety,1950,vol.72,p.5221,5224]
[1]Childress;McKee[JournaloftheAmericanChemicalSociety,1951,vol.73,p.3862]
[1]Childress;McKee[JournaloftheAmericanChemicalSociety,1951,vol.73,p.3862]
[1]Bauer,L.;Mahajanshetti,C.S.[JournalofHeterocyclicChemistry,1968,vol.5,p.331-335]