Patent ID: 8609680

Claim:
A compound of Formula (I) wherein: R 1 is phenyl, imidazo[2,1-b][1,3]thiazolyl, pyridinyl, pyrazolo[1,5-a]pyridinyl, 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridinyl, imidazo[2,1-b][1,3,4]thiadiazolyl, 1H-indazolyl, pyridazinyl, imidazo[1,2-b][1,2,4]triazinyl, 1H-pyrazolo[3,4-b]pyridinyl, imidazo[1,2-b]pyridazinyl, 2,3-dihydro-[1,4]dioxino[2,3-b]pyridinyl, oxadiazolyl or imidazo[1,2-a]pyridinyl; each optionally substituted with 1 to 3 substituents independently selected from methyl, methoxy, cyano, cyclopropyl, —C(O)NH 2 and —NHC(O)CH 3 ; R a at each occurrence is hydrogen; Z, Z 1 and Z 2 are each CH; L is a direct bond; and R 2 is hydrogen, phenyl, phenoxy, pyrimidinyl, imidazolyl, triazolyl, tetrazolyl, thiazolyl, thiadiazolyl, pyridinyl, oxazolyl, oxadiazolyl, pyrazolyl, pyridazinyl, triazinyl or pyrazinyl; each optionally substituted with 1 to 3 substituents independently selected from methyl, trifluoromethyl, ethyl, methoxy, cyano or —C(O)NH 2 ; or a pharmaceutically acceptable salt thereof.