| 摘要 |
Pharmaceutical compositions comprising a pharmaceutical composition comprising a compound which is an alpha or beta anomer, a D(+) or L(-) enantiomer of the following structural formula: <IMAGE>R6 and R6 is alkyl, alkene, arylalkyl, or aryl; <IMAGE> X is CH2, O or S; R3 is H, OH, or a halogen; R4 is H, OH, or a halogen; and R5 is CH3, CF3, CH2OH, or CH2OY and Y is a carbon ester or phosphorus; and a pharmaceutically acceptable carrier.
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