Azaindazole compounds as inhibitors of t790m containing egfr mutants

A compound of Formula (I)

• wherein,
• R1 is C3-C7heterocycloalkyl, heteroaryl, —O(C1-C6alkyl), or —NRaRb, wherein said C3-C7heterocycloalkyl and heteroaryl may be further substituted with one to five Rf groups;
• R2 is hydrogen, C1-C6alkyl, C3-C7cycloalkyl or C3-C7heterocycloalkyl;
• R3 is C1-C6alkyl, C3-C7heterocycloalkyl, C3-C7cycloalkyl, —O(C1-C6alkyl), CN, —NRaRb, —NHC(O)(C1-C3alkyl), —C(O)NRaRb or heteroaryl;
• wherein each Rf is independently selected from the group consisting of C1-C3alkyl, alkoxy, amino, hydroxy, alkylamino, amide, urea, oxo, halo, pyrazolyl, imidazolyl, triazolyl, CN, —NHC(O)(C1-C3alkyl), acyl, sulfonyl, sulfoxide, sulfonamide, sulfoximinyl, —(CH2)mC3-C7heterocycloalkyl, —O(C1-C6alkyl), —C(O)ORa;
• wherein each Ra is independently H or C1-C6alkyl, each Rb is independently H, C1-C6alkyl, alkoxy, amino, —(CH2)mC(O)NH2, —(CH2)mC3-C7cycloalkyl, —(CH2)mC3-C7heterocycloalkyl or —(CH2)mheteroaryl, or Ra and Rb together may form a C3-C7cycloalkyl, C3-C7heterocycloalkyl or heteroaryl ring, wherein said C3-C7cycloalkyl, C3-C7heterocycloalkyl and heteroaryl may each be further substituted with one to three groups selected from the group consisting of halo, hydroxy, C1-C3alkyl, amino, oxo, amide, sulfonyl, sulfoxide, sulfoximinyl, sulfonamide, alkoxy, CN and acyl;
• each m is independently 0, 1, 2 or 3;
• or a pharmaceutically acceptable salt thereof.