[1]Gray;Waring[JournalofHeterocyclicChemistry,1980,vol.17,#1,p.65-67]
[1]Gray;Waring[JournalofHeterocyclicChemistry,1980,vol.17,#1,p.65-67]
[1]Joucla,MarcF.;Rees,CharlesW.[JournaloftheChemicalSociety.Chemicalcommunications,1984,#6,p.374-375]
[1]Joucla,MarcF.;Rees,CharlesW.[JournaloftheChemicalSociety.Chemicalcommunications,1984,#6,p.374-375]