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[1]JournalofOrganicChemistry,1993,vol.58,#5,p.1128-1135
[1]JournalofOrganicChemistry,1993,vol.58,#5,p.1128-1135
[2]JournalofOrganicChemistry,1993,vol.58,#5,p.1128-1135
[1]JournalofOrganicChemistry,1993,vol.58,#5,p.1128-1135