A compound of claim 15, or a pharmaceutically acceptable salt thereof, wherein:neach X1, X3, X4, and X5 is hydrogen;X2 is hydrogen or fluoro;R6 is hydrogen, methyl, or trifluoromethyl;n is 0, 1, or 2;Z1 is phenyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, piperidin-4-yl, piperidin-3-yl, piperidin-3(R)-yl, piperidin-3(S)-yl, piperidin-2-yl, piperidin-2(R)-yl, piperidin-2(S)-yl, pyrrolidin-3-yl, pyrrolidin-3(R)-yl, pyrrolidin-3(S)-yl, pyrrolidin-2-yl, pyrrolidin-2(R)-yl, pyrrolidin-2(S)-yl, or azetidin-3-yl;the nitrogen atom of a piperidinyl, a pyrrolidinyl, or a azetidinyl ring of Z1 is substituted with —(CH2)qQ;q is 0, 1, or 2;Q is hydrogen, (C1-C6)-alkyl, —CH2CF3, (C3-C6)-alkenyl, (C3-C6)-alkynyl, (C3-C6)-cycloalkyl, phenyl, naphthyl, C(O)R3, CO2R3, C(O)NR4R5, a three- to six-membered heterocycle, or a five- to ten-membered heteroaryl;R3 is hydrogen, (C1-C6)-alkyl, trifluoromethyl, (C3-C6)-alkenyl, (C3-C6)-alkynyl, (CH2)m(C3-C6)-cycloalkyl, (CH2)mphenyl, or (CH2)m-(five- to ten-membered heteroaryl); andm is 0, 1, or 2.
›17.↳ 16A compound of claim 16, or a pharmaceutically acceptable salt thereof, wherein:nZ1 is phenyl, 2-pyridyl, 3-pyridyl, or 4-pyridyl; andsaid phenyl or py…d6+3
A compound of claim 16, or a pharmaceutically acceptable salt thereof, wherein:nZ1 is phenyl, 2-pyridyl, 3-pyridyl, or 4-pyridyl; andsaid phenyl or pyridyl rings may be optionally substituted with one or two of any one or combination of the following: halo, hydroxy, methoxy, methyl, or trifluoromethyl.
›18.↳ 17A compound of claim 17, wherein:nZ1 is phenyl; andsaid phenyl ring of Z1 is substituted with one or two of any one or combination of the following: ha…d7+1
A compound of claim 17, wherein:nZ1 is phenyl; andsaid phenyl ring of Z1 is substituted with one or two of any one or combination of the following: halo, hydroxy, methoxy, methyl, or trifluoromethyl.
›19.↳ 18A compound of claim 18, wherein said phenyl ring of Z1 is substituted with one or two of any one or combination of the following: halo or methoxy.d8
A compound of claim 18, wherein said phenyl ring of Z1 is substituted with one or two of any one or combination of the following: halo or methoxy.
›20.↳ 17A compound of claim 17, wherein Z1 is 2-pyridyl, 3-pyridyl, or 4-pyridyl.d7
A compound of claim 17, wherein Z1 is 2-pyridyl, 3-pyridyl, or 4-pyridyl.
›21.↳ 16A compound of claim 16, wherein Z1 is piperidin-4-yl, piperidin-3-yl, piperidin-3(R)-yl, piperidin-3(S)-yl, piperidin-2-yl, piperidin-2(R)-yl, piperid…d6+3
A compound of claim 16, wherein Z1 is piperidin-4-yl, piperidin-3-yl, piperidin-3(R)-yl, piperidin-3(S)-yl, piperidin-2-yl, piperidin-2(R)-yl, piperidin-2(S)-yl, pyrrolidin-3-yl, pyrrolidin-3(R)-yl, pyrrolidin-3(S)-yl, pyrrolidin-2-yl, pyrrolidin-2(R)-yl, pyrrolidin-2(S)-yl, or azetidin-3-yl.
›22.↳ 21A compound of claim 21, wherein:nq is 0 or 1;Q is (C1-C4)-alkyl, —CH2CF3, (C3-C6)-cycloalkyl, phenyl, C(O)R3, CO2R3, C(O)NHR5, a five- to six-member…d7+2
A compound of claim 21, wherein:nq is 0 or 1;Q is (C1-C4)-alkyl, —CH2CF3, (C3-C6)-cycloalkyl, phenyl, C(O)R3, CO2R3, C(O)NHR5, a five- to six-membered heterocycle, or a five- to ten-membered heteroaryl;R3 is hydrogen, (C1-C4)-alkyl, trifluoromethyl, (CH2)m(C3-C6)-cycloalkyl, (CH2)mphenyl, or (CH2)m-(five- to six-membered heteroaryl); andm is 0, 1, or 2.
›23.↳ 22A compound of claim 22, wherein:nq is 1; andQ is (C1-C4)-alkyl, —CH2CF3, (C3-C6)-cycloalkyl, phenyl, a five- to six-membered heterocycle, or a five-…d8
A compound of claim 22, wherein:nq is 1; andQ is (C1-C4)-alkyl, —CH2CF3, (C3-C6)-cycloalkyl, phenyl, a five- to six-membered heterocycle, or a five- to ten-membered heteroaryl.
›24.↳ 22A compound of claim 22, wherein:nq is 0;Q is hydrogen, (C1-C6)-alkyl, (CH2)pCF3, (C3-C6)- alkenyl, (C3-C6)-alkynyl, (C3-C6)-cycloalkyl, (C6-C14)-aryl,…d8
A compound of claim 22, wherein:nq is 0;Q is hydrogen, (C1-C6)-alkyl, (CH2)pCF3, (C3-C6)- alkenyl, (C3-C6)-alkynyl, (C3-C6)-cycloalkyl, (C6-C14)-aryl, C(O)R3, CO2R3, C(O)NHR5, a three- to six-membered heterocycle, or a five- to ten-membered heteroaryl;phenyl or heteroaryl rings are optionally substituted with one-to-three of any one or combination of the following: halo, hydroxy, sulfhydryl, (C1-C3)-alkoxy, (C1-C3)-alkyl, (C1-C3)-alkylthio, trifluoromethyl, trifluoromethoxy, cyano, carboxy, carboxy(C1-C3)-alkyl, carbamoyl, or sulfamoyl.