| abstract |
The invention relates to the novel use of compounds of formula (I) in which R1? is a hydrogen atom, a C1?-C6? alkyl radical or a phenyl radical optionally substituted by C1?-C6? alkyl; R2?-R4? are the same or different and may independently be a hydrogen or halogen atom, a C1?-C6? alkyl, a C1?-C6? alkoxy, a trifluoromethyl or aminosulphonyl radical; R is a hydrogen atom, a C1?-C6? alkyl or a phenyl-C1?-C6?-alkyl group, or their tautomers, for the production of medicaments for the treatment of viral or retroviral infections. |