TRIAZOLOPYRIDINE COMPOUNDS AND METHODS OF USE THEREOF

摘要

Provided are triazolopyridine compounds that are inhibitors of JAK kinase, such as JAK1, compositions containing these compounds and methods for treating diseases mediated by a JAK kinase. In particular, provided are compounds of formula (I), stereoisomers, tautomers, solvates, prodrugs or pharmaceutically acceptable salts thereof, where R1a, R1b, R1c, R2, R3, R4 and R are defined herein, pharmaceutical compositions comprising the compound and a pharmaceutically acceptable carrier, adjuvant or vehicle, methods of using the compound or composition in therapy, for example, for treating a disease or condition mediated by a JAK kinase in a patient.