PYRROLO-PYRIDAZINE INHIBITORS OF JAK2

Abstract

The present disclosure provides pyrrolo-pyridazine compounds and compositions thereof useful for inhibiting JAK2. In some embodiments, the present disclosure provides a compound of formula I: or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, and R4 are as defined in classes and subclasses herein, both singly and in combination.

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