Patent ID: 8530663

Claim:
A compound of formula I: where: X is —CH—; HAr is a 5-7 membered heteroaryl with one or two heteroatoms selected from N, O, and S; a is 0 or 1; R 1 is halo or trifluoromethyl; and R 2-6 are independently hydrogen, halo, —C 1-6 alkyl, —CF 3 , —C 2-6 alkynyl, —O—C 1-6 alkyl, —OCF 3 , —C 1-4 -alkylene-O—C 1-4 -alkyl, —C 0-1 alkylene-phenyl, —O—C 0-3 alkylene-phenyl, —C 0-6 alkylene-OH, —CN, —COOH, —CHO, —C(O)—C 1-6 alkyl, —C(O)O—C 1-4 alkyl, —CH 2 SH, —S—C 1-6 alkyl, —C 1-4 -alkylene-S—C 1-4 -alkyl, or —NO 2 ; wherein the phenoxymethyl group and the piperidine ring are attached to adjacent carbon atoms on HAr; or a pharmaceutically acceptable salt thereof.