PYRROLO [1,2-B] PYRIDAZINE DERIVATIVES AS JANUS KINASE INHIBITORS

摘要

The invention provides compounds of formula l: ( I ) or a salt thereof as described herein. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I and therapeutic methods for suppressing an immune response or treating cancer or a hematologic malignancy using compounds of formula I.