| abstract |
The present invention relates to new compounds of formula Ia or Ib wherein P represents a 5- or 6-membered heteroaromatic ring containing one or two heteroatoms selected independently from N, O and S of which at least one heteroatom is nitrogen; R1 is hydrogen; R2 is selected from: C1-6alkyl, cyano, halogen, (CO)OR10, and CONR10R11; R3 is selected from: C1-6alkyl, cyano, nitro, (CO)OR4, C1-6alkylNR4R5, OC2-6alkylNR4R5, CONR4R5, and (SO2)NR4R5; m is 0, 1, 2, 3 or 4; n is 0, 1, 2, 3 or 4; as a free base or a salt thereof, a process for their preparation and new intermediates used therein, pharmaceutical formulations containing said therapeutically active compounds and to the use of said active compounds in therapy. |