[1]TetrahedronLetters,2001,vol.42,p.4293-4295
[2]JournaloftheChemicalSociety,1949,p.1271,1275
[3]JournaloftheAmericanChemicalSociety,1950,vol.72,p.2893
[1]Curd;Davey;Stacey[JournaloftheChemicalSociety,1949,p.1271,1275]