Patent ID: 8772500

Claim:
A compound according to Formula (II): or a salt thereof, wherein: R a and R b are absent; u is 0; X 3 is O; X 4 is a bond, X 5 is (CH 2 ) n , and n is 2; or X 3 is O; X 4 is (CH 2 ) m , X 5 is (CH 2 ) n , m and n are each 1; or X 3 is O; X 4 is (CH 2 ) m , X 5 is (CH 2 ) n , m is 1, and n is 2; or X 3 is O; X 4 is a bond, X 5 is (CH 2 ) n , and n is 3; and X 1 is —OH and X 2 is hydrogen; G 1 is pyridinyl or pyrimidinyl; each of which is optionally substituted with 1, 2, or 3 substituents independently selected from the groups consisting of halogen C 1 -C 6 -alkyl C 1 -C 6 -haloalkyl, and N(R gc ) 2 ; R gc is hydrogen or C 1 -C 6 -alkyl; G 2 is G 2d ; G 2d is phenyl, pyridinyl, or pyrimidinyl; each of which is optionally substituted with 1, 2, or 3 substituents independently selected from the groups consisting of halogen —CN, C 1 -C 6 -alkyl C 1 -C 6 -haloalkyl, and —OR f ; and R f is C 1 -C 6 -alkyl or C 1 -C 6 -haloalkyl.