| 摘要 |
The present invention is directed to a method and composition of treating or preventing viral infections, in particular, human immunodeficiency virus (HIV) and hepatitis B virus (HBV) infections, in human patients or other animals hosts, comprising the administration of N4-acyl-2',3'-dideoxy-cytidine of formula (I) or N4-acyl-2',3'-didehydro-2',3' dideoxy-cytidine (II), and pharmaceutically acceptable salts, prodrugs, and other derivatives thereof: (see formula I)(see formula II)
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