Compounds and methods useful for stabilizing phenylalanine hydroxylase mutations

A compound of Formula I:

• or a pharmaceutically acceptable salt thereof, wherein:
• m is 1 or 2;
• R1 is
• x is 0 to 5;
• each Ra independently is halo, C1-6alkyl, C3-6cycloalkyl, C1-6haloalkyl, C1-6alkoxy or C1-6haloalkoxy;
• R2 is C1-4alkyl, optionally substituted C3-8cycloalkyl, optionally substituted heterocyclyl, optionally substituted aryl,
• R3 is H or C1-6alkyl;
• R4 is H or C1-6alkyl;
• or R3 and R4, together with the atom to which they are attached, form a C3-6cycloalkyl;
• R5 is H or D;
• R5A is H or D;
• L is a bond, carbonyl, optionally substituted C1-6alkylene, optionally substituted C1-6alkylenecarbonyl, optionally substituted C2-6alkenylenecarbonyl, optionally substituted C1-6haloalkylenecarbonyl, or optionally substituted —C(O)NRb(C1-6alkylene)-, wherein the carbon atom of the carbonyl group is connected to N in Formula I;
• Rb is H or C1-6alkyl;
• W is S or NR15;
• W1 is S, O, or NR15;
• R10, R11, R12, R13, and R14 are independently H, C1-6alkyl, C1-6haloalkyl, C1-6alkoxy, C1-6alkoxy(alkylene), C1-6hydroxyalkyl, C1-6haloalkoxy, C1-6haloalkoxy(alkylene), C2-6alkenyl, CN, halo, (CRvRx)pNRyRz, C(O)NRy2Rz2, optionally substituted C3-8cycloalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclyl(alkylene), optionally substituted aryl, or optionally substituted heteroaryl;
• Rv and Rx are independently H or C1-6alkyl;
• Ry and Rz are independently H, C1-6alkyl, C3-6cycloalkyl, C1-6hydroxyalkyl, C1-6haloalkyl, C1-6alkoxy(alkylene), or C(O)OC1-6alkyl;
• Ry2 and Rz2 are independently H, C1-6alkyl, or C3-6cycloalkyl;
• p is 0, 1, 2, or 3;
• and
• R15 is H or C1-6alkyl.