Compounds for targeted degradation of BRD9

A compound of Formula:

• or a pharmaceutically acceptable salt thereof;
• wherein:
• Q1 is independently at each occurrence selected from the group consisting of NH, N(alkyl), N(haloalkyl), CH2, O, and S;
• X3 is N, CH, or CR3;
• X10 is C(R7)2, C(O), or O;
• X11 is heterocycle optionally substituted with 1, 2, or 3 groups independently selected from R3;
• X16 is selected from the group consisting of N, CH, and CR4;
• R3 is independently at each occurrence selected from the group consisting of hydrogen, hydroxyl, alkoxy, C1-C4alkyl, C1-C4haloalkyl, cycloalkyl, fluorine, chlorine, bromine, and iodine;
• each R4 is independently selected from the group consisting of hydrogen, aryl, heteroaryl, C1-C4alkoxy, C1-C4haloalkyl, C1-C4haloalkoxy, C1-C4alkyl, fluorine, chlorine, bromine, and iodine;
• each R7 is independently hydrogen, methyl, or ethyl;
• and
• R8 is hydrogen, C1-C4alkyl, alkenyl, alkynyl, haloalkyl, or cycloalkyl.