Patent ID: 8703946

Claim:
A compound having a structure represented by a formula: wherein Ar 1 is phenyl with 0-3 substituents selected from halogen, cyano, C1-C4 alkyl, C1-C4 alkyloxy, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl, or Ar 1 is pyridinyl, pyridazinyl, pyrimidinyl, or pyrazinyl, and has 0-3 substituents selected from halogen, cyano, C1-C4 alkyl, C1-C4 alkyloxy, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; wherein each of R 1a and R 1b is independently selected from hydrogen, C1-C4 alkyl, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; wherein R 2 is selected from hydrogen, halogen, cyano, —NH 2 , C1-C4 alkyl, monohalo C1-C4 alkyl, C1-C4 alkoxy, and polyhalo C1-C4 alkyl; wherein each of R 3a and R 3b is independently selected from hydrogen, C1-C4 alkyl, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; wherein each of R 4a and R 4b is independently selected from hydrogen, C1-C4 alkyl, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; wherein each of R 5a and R 5b is independently selected from hydrogen, C1-C4 alkyl, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; and wherein Ar 2 is phenyl with 0-3 substituents selected from halogen, cyano, C1-C4 alkyl, C1-C4 alkyloxy, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl, or Ar 2 is pyridinyl, pyridazinyl, pyrimidinyl, or pyrazinyl, and has 0-3 substituents selected from halogen, cyano, C1-C4 alkyl, C1-C4 alkyloxy, monohalo C1-C4 alkyl, and polyhalo C1-C4 alkyl; or a pharmaceutically acceptable salt thereof.