Patent ID: 7179812

Claim:
A compound of formula (I) or pharmaceutically acceptable salts or esters thereof wherein formula I is: wherein: (a) (1) R 3 is hydrogen and R 1 is selected from the group consisting of: (A) halogen; (B) —O-alkyl, wherein the alkyl group is optionally substituted with one or more halogens; (C) —S-alkyl, wherein the alkyl group is optionally substituted with one or more halogens; (D) —S(O)-alkyl, wherein the alkyl group is optionally substituted with one or more halogens; (E) —S(O) 2 -alkyl, wherein the alkyl group is optionally substituted with one or more halogens; (F) —SF 5 ; (G) —NH-alkyl, wherein the alkyl group is optionally substituted with one or more halogens; and (H) alkyl, wherein the alkyl group is optionally substituted with one or more halogens; or alternatively, (2) R 1 and R 3 are adjacent and together with the carbon atoms of the phenyl ring to which they are attached form a 5 or 6 membered heterocyclic ring; (b) R 2 is selected from the group consisting of: (1) hydrogen; and (2) halogen; (c) A is selected from the group consisting of: (d) W is selected from the group consisting of: (1) —CH 2 —CH 2 —; (2) —CH═CH—; (3) —C≡C—.