摘要 |
Compounds of the formula I: wherein R<SUP>x </SUP>is cyano or bromo; R<SUP>1 </SUP>is halo; R<SUP>2 </SUP>is C<SUB>1</SUB>14 C<SUB>3 </SUB>alkyl, and pharmaceutically acceptable salts and prodrugs thereof have activity as antiretrovirals.
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