Patent ID: 7132457

Claim:
A compound of general formula wherein D represents CH 2 or CH 2 CH 2 ; E represents C(O)NH or NHC(O); R 1 and R 2 each independently represent hydrogen, halogen, amino, nitro, C 1 –C 6 alkyl or trifluoromethyl, but R 1 and R 2 may not both simultaneously represent hydrogen; R 3 represents a group of formula R 4 represents a C 1 –C 6 alkyl group; X represents a group NR 13 ; R 5 hydrogen; and R 13 represents hydrogen, C 3 –C 8 cycloalkyl, C 3 –C 8 cycloalkylmethyl, or R 13 represents a C 1 –C 6 alkyl group optionally substituted by at least one substituent selected from hydroxyl and C 1 –C 6 alkoxy; with the proviso that when E is C(O)NH, X is not NH or N(C 1 –C 6 alkyl); or a pharmaceutically acceptable salt thereof.