Heterocylic antiviral compounds

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Details

C544S071000

Reexamination Certificate

active

07625891

ABSTRACT:
This invention relates to piperidine derivatives of formula I wherein R1, R2, R3and R4are as defined herein useful in the treatment of a variety of disorders, including those in which the modulation of CCR5 receptors is implicated. Disorders that may be treated or prevented by the present derivatives include HIV and genetically related retroviral infections (and the resulting acquired immune deficiency syndrome, AIDS), rheumatoid arthritis, solid organ transplant reject (graft vs. host disease), asthma and COPD.

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