Patent ID: 8198295

Claim:
A method for inhibiting PDE3 and PDE4 in a patient comprising administering to said patient an inhibiting amount of a compound of formula 1 in which R1 is methyl, R2 is 1-4C-alkoxy, R3 is 1-4C-alkoxy, R4 is hydrogen, R5 is 1-4C-alkyl, R6 is hydrogen, 1-4C-alkylcarbonyl, Arylcarbonyl or Aryl-1-2C-alkylcarbonyl, Aryl is phenyl or phenyl substituted by R7 and/or R8, R7 is nitro, 1-2C-alkyl or 1-2C-alkoxy, R8 is 1-2C-alkoxy, n is 1 or 2, or a pharmaceutically acceptable salt thereof.