Patent ID: 9643957
Date: 2017-05-09
CPC Classifications: A61K,A61P,C07D,C12N

Claim:
1. A compound or a salt thereof, which is selected from the group consisting of: (2R)-1-((1-(4-(4-methyl-1H-pyrazol-1-yl)pyridin-3-yl)piperidin-4-yl)carbonyl)pyrrolidine-2-carbonitrile or a salt thereof, (2R)-1-((1-(4-(4-chloro-1H-pyrazol-1-yl)pyridin-3-yl)piperidin-4-yl)carbonyl)pyrrolidine-2-carbonitrile or a salt thereof, and (2R)-4,4-difluoro-1-((1-(4-(4-methyl-1H-pyrazol-1-yl)pyridin-3-yl)piperidin-4-yl)carbonyl)pyrrolidine-2-carbonitrile or a salt thereof.