Patent ID: 7691855

Claim:
A compound of formula I wherein m is from 1 to 3; R 1 is amino-sulfonyl; N,N-di-lower alkylamino; lower alkyl-piperazinyl; lower alkyl substituted by lower alkyl-piperazinyl; a radical R 4 -lower alkyl-X—, wherein R 4 is N,N-di-lower alkylamino, morpholinyl or lower alkyl-piperidyl, and X is —S—or —O—; or a radical R 5 —C(═O)—, wherein R 5 is lower alkyl, hydroxyl, lower alkoxy or lower alkyl-piperazinyl; wherein the R 1 substituents are selected independently of one another if m>1; R 2 is hydrogen; R 3 is a radical of the formula Ia wherein n is 1 or 2; and Z is chloro, lower alkyl, hydroxy, lower alkoxy, or phenyl-lower alkoxy; wherein the Z substituents are selected independently of one another if n>1; and R 3 ′ is hydrogen; or a salt of the said compounds.