This invention relates to the field of medicine and concerns a method for the prophylaxis or treatment of diseases caused by RNA- and DNA-containing viruses, and concomitant diseases, which envisages the use of an effective amount of a compound of general formula I or a pharmaceutically acceptable salt thereof. The invention also relates to methods for producing the aforesaid compounds, and to pharmaceutical compositions for the prophylaxis or treatment of diseases caused by RNA- and DNA-containing viruses, which contain an effective amount of a compound of general formula I or a pharmaceutically acceptable salt thereof. The invention solves the problem of providing a novel agent effective in the treatment of diseases caused by RNA-containing viruses belonging to the enterovirus genus, the metapneumovirus genus, the pneumovirus genus, the respirovirus genus or the alphacoronavirus genus, and DNA-containing viruses belonging to the adenovirus family and the herpesvirus family, and also effective in the prophylaxis and treatment of asthma exacerbations, chronic obstructive pulmonary disease, cystic fibrosis, conjunctivitis, gastroenteritis, hepatitis and myocarditis, and in the prophylaxis and treatment of rhinorrhea, acute and infectious rhinitis, pharyngitis, nasopharyngitis, tonsillitis, laryngitis, laryngotracheitis, laryngotracheobronchitis, bronchitis, bronchiolitis, pneumonia or obstructive airways syndrome.Linvention se rapporte au domaine de la médecine et concerne un procédé de prévention et de traitement de maladies induites par des virus contenant de lARN et/ou de lADN et de maladies assimilées, lequel consiste à utiliser une quantité efficace de composé de la formule générale I ou un sel pharmaceutiquement acceptable de celui-ci. Linvention concerne également des procédés de production de ces composées et de compositions pharmaceutiques pour la prévention ou le traitement de maladies induites par des virus contenant de lARN et/ou de lADN et contenant une
