[1]JournaloftheChemicalSociety,1926,p.249
[1]JournaloftheChemicalSociety,1926,p.249
[2]Tetrahedron,1964,vol.20,p.2553-2573
[1]Tetrahedron,1964,vol.20,p.2553-2573
[1]Tetrahedron,1964,vol.20,p.2553-2573
[1]JournaloftheAmericanChemicalSociety,1988,vol.110,p.2218-2223