Patent ID: 6894067

Claim:
A compound of the formula I: or a pharmaceutically acceptable salt thereof; wherein the ring of the formula (R 5 )-A-(SO m R 4 ) is selected from the group consisting of m is 2; X is CR 5 ; R 1 is a radical selected from the group consisting of H, —NO 2 , —CN, H—(C═O)—, (C 1 -C 8 )alkyl-(C═O)—; R 2 is a radical selected from the group consisting of H, and (C 1 -C 6 )alkyl optionally substituted by one to four fluoro substituents; B is —O—, —S—, —SO—, —SO 2 — or R 6 —N—; R 3 is a radical selected from the group consisting of (C 1 -C 6 )alkyl, (C 3 -C 10 )cycloalkyl and (C 1 -C 9 )heterocyclyl; wherein each of said R 3 (C 1 -C 6 )alkyl, (C 3 -C 10 )cycloalkyl, or (C 1 -C 9 )heterocyclyl radicals may optionally be substituted with one to three substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, and (C 3 -C 10 )cycloalkyl; R 4 is a radical selected from the group consisting of (C 1 -C 8 )alkyl-NH—, [(C 1 -C 6 )alkyl] 2 —N—, [C 3 -C 7 )cycloalkyl-NH—, (C 1 -C 6 )alkyl-(C═O)—NH—, (C 3 -C 7 )cycloalkyl-(C═O)—HN—, (C 1 -C 6 )alkyl-NH—HC═N—, (C 1 -C 6 )alkyl] 2 N—HC═N—, and cylcopropyl-CH2—NH—; R 6 is a radical selected from the group consisting of H; and R 6 is a radical selected from the group consisting of H.