| 摘要 |
Optically active antiviral compounds having formula (I), wherein m is 0, 1, 2 or 3; n and q are selected from the group of 0 and 1, provided that n and q may not both be zero; R, R1 and R2 are independently of each other selected from the group consisting of oxygen and sulfur, provided that all R, R1 and R2, may not be oxygen, and further provided that all R, R1, and R2 may not b e sulfur. The compounds possess increased antiviral activity and/or metabolic stability.
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