Novel 5,6-dihydropyrazolo[3,4-E][1,4]diazepin-4 (1H)-one derivatives for the treatment of asthma and chronic obstructive pulmonary disease.

Novel 5,6-dihydropyrazolo[3,4-E][1,4]diazepin-4 (1H)-one derivatives for the treatment of asthma and chronic obstructive pulmonary disease.