[1]Tetrahedron,1994,vol.50,#28,p.8301-8316
[1]Tetrahedron,1994,vol.50,p.8301-8316
[1]JournaloftheChemicalSociety.PerkintransactionsII,1989,p.2041-2054
[1]JournaloftheChemicalSociety.PerkintransactionsII,1993,p.2337-2350
[1]JournaloftheChemicalSociety.PerkintransactionsII,1989,p.2041-2054
[1]JournaloftheChemicalSociety.PerkintransactionsII,1989,p.2041-2054