[1]Carrington;Waring[JournaloftheChemicalSociety,1950,p.354,366]
[1]Carrington;Waring[JournaloftheChemicalSociety,1950,p.354,366]
[1]Carrington;Waring[JournaloftheChemicalSociety,1950,p.354,366]
[1]Carrington;Waring[JournaloftheChemicalSociety,1950,p.354,366]
[1]Zinczuk;Orazi;Corral;Roncaglia[JournalofHeterocyclicChemistry,1985,vol.22,#4,p.1025-1028]