Compounds of a certain formula 1,
in which R1, R2, R3, R31, R4, R5, R51, R6 and R7 have the meanings indicated in the description, are novel effective PDE4 inhibitors.
Compounds of a certain formula (I)
in which R1, R2, R3, R31, R4, R5, R51, R6 and R7 have the meanings indicated in the description, are novel effective PDE4 inhibitors.
[EN] Compounds of a certain formula (I), in which R1, R2, R3, R31, R4, R5, R51, R6 and R7 have the meanings indicated in the description, are novel effective PDE4 inhibitors. [FR] Cette invention concerne des composés représentés par la formule (I) dans laquelle R1, R2, R3, R31, R4, R5, R51, R6 et R7 ont la signification donnée dans la description, lesquels composés constituent de nouveaux inhibiteurs efficaces de la PDE4.