Pyridylhydrazide-piroxol [3,2-D] pyridine-carbamide, class 4 and 5 phosphate inhibitors; compounds containing fixed, non-fixed and Kit combinations, used in the preparation of drugs for respiratory diseases
The compounds of formula (1) in which R1, R7, R8, R9, R10, R17, R18, R19, R20 and m have the meanings as given in the description, are novel effective inhibitors of type 4 and type 5 phosphodiesterase.COMPUESTOS DERIVADOS DE FTALAZINONA-PIRROLO[3,2-D]PIRIMIDIN-CARBOXAMIDA, INHIBIDOERS DE FOSFODIESTERASA TIPO 4 Y TIPO 5; COMPOSCIN FARMACEUTICA QUE O COMPRENDE, COMBINACION FIJA, NO FIJA Y KIT, USO DEL COMPUESTO EN LA PREPARACION DE UN MEDICAMENTO PARA TRATA ENFERMEDAES DE LAS VIAS RESPIRATORIAS