A Formula (1.1) or (1.2) compound wherein R 1a , R 1b , R 1c , and R 1d are each independently selected from the group consisting of hydrogen, halo, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, -C(O)NR a R b , cyano, -S(O) p R, phenyl, pyridinyl, saturated or partially saturated 5- or 6-membered heterocyclic ring containing at least one heteroatom selected from the group consisting of N, S, and O, and wherein said heterocyclic ring, phenyl, or pyridinyl moiety are each optionally and independently substituted with at least one substituent selected from the group consisting of oxo, cyano, halo, and C 1 -C 6 alkyl; or R 1a and R 1b or R 1b and R 1c or R 1c and R 1d together form a tetrahydrofuran ring or phenyl ring; R 2 is phenyl, pyridinyl, thiazolyl, pyridazinyl, or pyrrolyl, each optionally and independently substituted with at least one R 5 substituent selected from the group consisting of halo, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, hydroxyl, C 1 -C 6 alkoxy, and cyclopropyl; R a and R b are each independently selected from the group consisting of H and C 1 -C 6 alkyl; R is H or C 1 -C 6 alkyl; Ring A is phenyl, pyridinyl, or thiophene; Ring B is naphthyl, quinolinyl, or isoquinolinyl; each of Ring A and Ring B moieties are optionally and independently substituted with at least one R 4 substituent selected from halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkoxy, and -S(O) 2 CH 3 ; n is the integer 0, 1, 2, 3, 4, or 5, and when n is 2 or more, then each R 4 can be the same or different from each other; p is the integer 0, 1, or 2; and wherein the solid line accompanied by the dotted line "- - - -" represents a single or double bond, and veterinary acceptable salts thereof, and stereoisomers thereof. R 1a , R 1b , R 1c , and R 1d are each independently selected from the group consisting of hydrogen, halo, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, -C(O)NR a R b , cyano, -S(O) p R, phenyl, pyridinyl, saturated or partially saturated 5- or 6-membered heterocyclic ring containing at least one heteroatom selected from the group consisting of N, S, and O, and wherein said heterocyclic ring, phenyl, or pyridinyl moiety are each optionally and independently substituted with at least one substituent selected from the group consisting of oxo, cyano, halo, and C 1 -C 6 alkyl; or R 1a and R 1b or R 1b and R 1c or R 1c and R 1d together form a tetrahydrofuran ring or phenyl ring; R 2 is phenyl, pyridinyl, thiazolyl, pyridazinyl, or pyrrolyl, each optionally and independently substituted with at least one R 5 substituent selected from the group consisting of halo, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, hydroxyl, C 1 -C 6 alkoxy, and cyclopropyl; R a and R b are each independently selected from the group consisting of H and C 1 -C 6 alkyl; R is H or C 1 -C 6 alkyl; Ring A is phenyl, pyridinyl, or thiophene; Ring B is naphthyl, quinolinyl, or isoquinolinyl; each of Ring A and Ring B moieties are optionally and independently substituted with at least one R 4 substituent selected from halo, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 haloalkoxy, and -S(O) 2 CH 3 ; n is the integer 0, 1, 2, 3, 4, or 5, and when n is 2 or more, then each R 4 can be the same or different from each other; p is the integer 0, 1, or 2; and wherein the solid line accompanied by the dotted line "- - - -" represents a single or double bond, and veterinary acceptable salts thereof, and stereoisomers thereof. <EOS>