Patent ID: 6936619

Claim:
A compound of formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein R 1 represents C 1-4 alkyl; R 2 represents halo, C 1-4 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyloxy, —SO 2 (C 1-4 alkyl), C 1-4 alkyloxy (substituted by C 1 -C 4 alkoxy), Het or —OHet; R 3 represents a bicyclic group of the formula wherein X and Y are selected from C and N, provided that at least one is C; Ring A together with X and Y represents a 5- or 6-membered aromatic ring containing 0, 1, 2 or 3 nitrogen atoms in the ring; n is 0, 1 or 2 L independently represents a direct link, C 1-4 alkylene or C 1-4 alkoxyalkylene; R 4 independently represents H, —NR 5 R 6 , C 3-6 cycloalkyl, —OR 7 , Het 1 or Het 4 ; R 5 and R 6 are independently selected from H, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-4 alkylene, —SO 2 (C 1-4 alkyl) and C 1-4 alkyl (optionally substituted with —OR 8 , —NR 10 R 11 , Het 1 or Het 4 ); R 7 is selected from H, C 1-4 alkyl, C 1-4 alkoxyalkyl, C 3-6 cycloalkyl, Het 2 and C 1-4 alkyl-Het 3 ; R 8 is H or C 1-4 alkyl; Het, Het 1 , Het 2 and Het 3 independently represent a 4 to 7 membered saturated heterocyclic group which may be mono- or bi-cyclic and which contains one or more heteroatoms selected from N, O or S, optionally substituted with OR 9 and/or C 1-4 alkyl optionally substituted by OR 9 ; Het 4 represents a 5 or 6 membered unsaturated heterocyclic group containing one or more heteroatoms selected from N, O or S, optionally substituted with C 1-4 alkyl; R 9 is H or C 1-4 alkyl; R 10 and R 11 are independently selected from H and C 1-4 alkyl.