A compound having the formula II: or a stereoisomer or pharmaceutically acceptable salt thereof, wherein: R 1a is independently at each occurrence H, F, Cl, Br, -(CH 2) r OR b, C 1-6 alkyl substituted with 0-5 R a, or -(CH 2) r -3-6 membered carbocycle substituted with 0-2 R a; R 1b is hydrogen, -(CH 2) r C R 1d, -(CH 2) r C OR b, -(CH 2) r S 2 R e, C 1-6 alkyl substituted with 0-2 R a, a -(CH 2) r -5-7 membered heterocycle comprising carbon atoms and 1-4 heteroatoms selected from N, O, and S p substituted with 0-2 R a; or a -(CH 2) r -5-7 membered heteroaryl comprising carbon atoms and 1-4 heteroatoms selected from N, O, and S substituted with 0-2 R a; R 1d is independently at each occurrence hydrogen, C 1-6 alkyl substituted with 0-2 R d, C 1-6 haloalkyl, C NR c R c, C 3-6 cycloalkyl substituted with 0-2 R d, or (CH 2) r -phenyl substituted with 0-2 R a, a 4- to 10-membered heterocycle containing 1-4 heteroatoms selected from N, O, and S, substituted with 0-3 R a; R 2 is selected from: and R a is independently at each occurrence hydrogen, D, F, Cl, Br, CF 3, CN, -(CH 2) r OR b, -(CH 2) r NR c R c, C 1-6 alkyl substituted with 0-1 R f, or C 1-6 haloalkyl; R b is independently at each occurrence hydrogen, C 1-6 alkyl substituted with 0-2 R d, C 3-6 cycloalkyl substituted with 0-2 R d, or -(CH 2) r -5-7 membered heterocycle comprising carbon atoms and 1-4 heteroatoms selected from N, O, and S p substituted with 0-1 R d; R c is independently at each occurrence hydrogen or C 1-6 alkyl; R d is independently at each occurrence hydrogen, F, Cl, Br, CF 3, CN, -OR c, or C 1-6 alkyl; R e is independently at each occurrence C 1-6 alkyl; R f is independently at each occurrence hydrogen, halo, CN, SO 2 -methyl, phenyl, NH 2, NHCO-methyl, OH or OCH 3; r is 0, 1, 2, 3, or 4; p is 0, 1, or 2; and z is 1 or 2. R 1a is independently at each occurrence H, F, Cl, Br, -(CH 2) r OR b, C 1-6 alkyl substituted with 0-5 R a, or -(CH 2) r -3-6 membered carbocycle substituted with 0-2 R a; R 1b is hydrogen, -(CH 2) r C R 1d, -(CH 2) r C OR b, -(CH 2) r S 2 R e, C 1-6 alkyl substituted with 0-2 R a, a -(CH 2) r -5-7 membered heterocycle comprising carbon atoms and 1-4 heteroatoms selected from N, O, and S p substituted with 0-2 R a; or R 1d is independently at each occurrence hydrogen, C 1-6 alkyl substituted with 0-2 R d, C 1-6 haloalkyl, C NR c R c, C 3-6 cycloalkyl substituted with 0-2 R d, or (CH 2) r -phenyl substituted with 0-2 R a, a 4- to 10-membered heterocycle containing 1-4 heteroatoms selected from N, O, and S, substituted with 0-3 R a; R 2 is selected from: and R a is independently at each occurrence hydrogen, D, F, Cl, Br, CF 3, CN, -(CH 2) r OR b, -(CH 2) r NR c R c, C 1-6 alkyl substituted with 0-1 R f, or C 1-6 haloalkyl; R b is independently at each occurrence hydrogen, C 1-6 alkyl substituted with 0-2 R d, C 3-6 cycloalkyl substituted with 0-2 R d, or -(CH 2) r -5-7 membered heterocycle comprising carbon atoms and 1-4 heteroatoms selected from N, O, and S p substituted with 0-1 R d; R c is independently at each occurrence hydrogen or C 1-6 alkyl; R d is independently at each occurrence hydrogen, F, Cl, Br, CF 3, CN, -OR c, or C 1-6 alkyl; R e is independently at each occurrence C 1-6 alkyl; R f is independently at each occurrence hydrogen, halo, CN, SO 2 -methyl, phenyl, NH 2, NHCO-methyl, OH or OCH 3; r is 0, 1, 2, 3, or 4; p is 0, 1, or 2; and z is 1 or 2.