Patent No. EP2671882 (titled "Pyrrolo[2,3-B]Pyridin-4-Yl-Amines And Pyrrolo[2M3-B]Pyrimidin-4-Yl-Amines As Janus Kinase Inhibitors") was filed by Incyte on Dec 21, 2005. The application was issued on Feb 21, 2018.

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