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2'-Deoxy-2',2'-difluoro-D-erythro-pentofuranous-1-ulose- 3,5-dibenzoate, CAS No.122111-01-7
2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate, CAS No.134877-42-2
2’,2’-Difluoro-2’-deoxycyodine-3’,5’-dibenzoate, , CAS No.134790-39-9