Patent ID: 7566739

Claim:
A compound of the formula (I): wherein R 1 represents (C 1 -C 6 )alkyl; R 2 represents hydrogen, halogen, hydroxy, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, hydroxy(C 1 -C 6 ) alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl or halo(C 1 -C 6 )alkyl; R 3 represents a halogen atom, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, hydroxy(C 1 -C 6 )alkoxy, (C 1 -C 6 ) alkoxy-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, halo(C 1 -C 6 )alkyl, (C 1 -C 6 ) alkylthio, (C 1 -C 6 ) alkylsulfinyl, (C 1 -C 6 )alkylsulfonyl, [(C 1 -C 6 )alkyl]NH—, or[(C 1 -C 6 )alkyl] 2 N—; R 4 represents a halogen atom, (C 1 -C 6 )alkyl, halo(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, hydroxy(C 1 -C 6 ) alkoxy, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, [(C 1 -C 6 ) alkyl]NH—, or[(C 1 -C 6 )alkyl] 2 N—; R 5 represents a halogen atom, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, hydroxy(C 1 -C 6 )alkoxy, (C 1 -C 6 ) alkoxy-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy-(C 1 -C 6 )alkoxy, halo(C 1 -C 6 )alkyl, (C 1 -C 6 )alkylthio, (C 1 -C 6 )alkylsulfinyl, (C 1 -C 6 )alkylsulfonyl, [(C 1 -C 6 )alkyl]NH—, [(C 1 -C 6 )alkyl] 2 N—, H 2 N—(C 1 -C 6 )alkoxy, (C 1 -C 6 )alkyl-NH—(C 1 -C 6 )alkoxy, [(C 1 -C 6 )alkyl] 2 N—(C 1 -C 6 )alkoxy, H 2 N—(C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, (C 1 -C 6 )alkyl-NH—(C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl, or [(C 1 -C 6 )alkyl] 2 N(C 1 -C 6 )alkoxy-(C 1 -C 6 )alkyl; and * indicates a chiral centre; or a pharmaceutically acceptable salt or solvate thereof.