A compound of Formula I, or a pharmaceutically acceptable salt thereof: wherein: X 1 and X 2 are independently selected from H, F, Cl, and -CH 3, and X 3 is H, F, Cl, -CH 3, -OCH 3, - OCHF 2, or -OCF 3 with the proviso that within the group X 1, X 2, and X 3 the substituent Cl is not used more than twice and the substituent -CH 3 is not used more than twice; R 1 is hydrogen, Cl, or CH 3; R 2 is hydrogen, C 1 -C 3 alkyl optionally substituted with 1-3 fluorines, or C 3 -C 6 cycloalkyl optionally substituted with 1-2 fluorines; R 3 is C 1 -C 3 alkyl or C 3 -C 4 cycloalkyl; G 1 is phenyl optionally substituted 1-3 times with a substituent independently selected from fluorine, chlorine, -CH 3, and -OCH 3, or G 1 is selected from: wherein G 2 and G 3 are independently selected from hydrogen and C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 4 is -C(CH 3) 2 OH, -SO 2 (C 1 -C 4 alkyl), or C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 5 is H, F, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 6 is H, F, or Cl; G 7 is H, F, Cl, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 8 is F, Cl, -CN, C 1 -C 4 alkyl, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 9 is -O(C 1 -C 3 alkyl), -O(C 3 -C 4 cycloalkyl), -SO 2 (C 1 -C 3 alkyl), or -SO 2 (C 3 -C 4 cycloalkyl); G 10 is -OCH 3, -OCHF 2, or -OCF 3; W is selected from: wherein R 4 is methyl optionally substituted with 1-3 fluorines. X 1 and X 2 are independently selected from H, F, Cl, and -CH 3, and X 3 is H, F, Cl, -CH 3, -OCH 3, - OCHF 2, or -OCF 3 with the proviso that within the group X 1, X 2, and X 3 the substituent Cl is not used more than twice and the substituent -CH 3 is not used more than twice; R 1 is hydrogen, Cl, or CH 3; R 2 is hydrogen, C 1 -C 3 alkyl optionally substituted with 1-3 fluorines, or C 3 -C 6 cycloalkyl optionally substituted with 1-2 fluorines; R 3 is C 1 -C 3 alkyl or C 3 -C 4 cycloalkyl; G 1 is phenyl optionally substituted 1-3 times with a substituent independently selected from fluorine, chlorine, -CH 3, and -OCH 3, or G 1 is selected from: wherein G 2 and G 3 are independently selected from hydrogen and C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 4 is -C(CH 3) 2 OH, -SO 2 (C 1 -C 4 alkyl), or C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 5 is H, F, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 6 is H, F, or Cl; G 7 is H, F, Cl, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 8 is F, Cl, -CN, C 1 -C 4 alkyl, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 9 is -O(C 1 -C 3 alkyl), -O(C 3 -C 4 cycloalkyl), -SO 2 (C 1 -C 3 alkyl), or -SO 2 (C 3 -C 4 cycloalkyl); G 10 is -OCH 3, -OCHF 2, or -OCF 3; W is selected from: wherein R 4 is methyl optionally substituted with 1-3 fluorines. wherein G 2 and G 3 are independently selected from hydrogen and C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 4 is -C(CH 3) 2 OH, -SO 2 (C 1 -C 4 alkyl), or C 1 -C 3 alkyl optionally substituted with 1-3 fluorines; G 5 is H, F, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 6 is H, F, or Cl; G 7 is H, F, Cl, C 1 -C 4 alkyl optionally substituted with 1-3 fluorines, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 8 is F, Cl, -CN, C 1 -C 4 alkyl, or O(C 1 -C 4 alkyl) optionally substituted with 1-3 fluorines; G 9 is -O(C 1 -C 3 alkyl), -O(C 3 -C 4 cycloalkyl), -SO 2 (C 1 -C 3 alkyl), or -SO 2 (C 3 -C 4 cycloalkyl); G 10 is -OCH 3, -OCHF 2, or -OCF 3; W is selected from: wherein R 4 is methyl optionally substituted with 1-3 fluorines.