Compounds of the formula
wherein R, is methyl or ethyl; R2 is cyclohexyl, benzyl, 3-pyridyl, 1-adamantyl, haloalkyl and the groups
wherein X is H, F, Cl; R3, R4 and R5 are hydrogen or alkyl are useful for the prophylaxis and therapy of diseases caused by rhinoviruses.
式中 R 是甲基或乙基;R2 是环己基、苄基、3-
吡啶基、1-
金刚烷基、卤代烷基和 X 是 H、F、Cl;R3、R4 和 R5 是氢或烷基的化合物可用于预防和治疗由鼻病毒引起的疾病。