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[1]JournaloftheChemicalSociety.PerkintransactionsII,1978,p.995-1001
[1]JournaloftheAmericanChemicalSociety,1985,vol.107,p.3451-3459
[1]JournaloftheChemicalSociety.PerkintransactionsII,1982,p.25-30
[1]JournaloftheAmericanChemicalSociety,1985,vol.107,p.3451-3459