| abstract |
This description provides compounds of Formula I, or their pharmaceutically acceptable salts; (I) where: A is selected from the group consisting of: (II) which have properties of drugs and bio-affectors, their pharmaceutical compositions and methods of use. In particular, the description concerns derivatives of piperazine and piperidine diketo that possess unique antiviral activity. More particularly, the present description relates to compounds useful for the treatment of HIV and AIDS. |