A compound of the Formula or a pharmaceutically acceptable salt thereof, wherein ring A is a 5-membered heteroaryl containing 1 to 2 additional heteroatoms independently selected from the group consisting of N, O, and S; R 1 is selected from the group consisting of: (a) C 1 -C 3 alkyl; (b) C 1 -C 3 fluoroalkyl; (c) C 1 -C 3 alkoxy; (d) C 3 -C 6 cycloalkyl; (e) phenyl; (f) benzyl; and (g) -C N(C 1 -C 3 alkyl) 2; R 3 is selected from the group consisting of (a) H; (b) C 1 -C 3 alkyl; (c) C 1 -C 3 alkoxy; and (d) halo; ring C y is a mono- or bicyclic carbocyclic ring system containing 4 to 12 carbon atoms; R 5 is -C OR A or -C NH 2; R 6 is C 1 -C 3 alkyl or halo; the subscript r is 0, 1, or 2; the subscript s is 0 or 1; the subscript t is 0, 1, 2, 3, 4, or 5; R A is independently selected from the group consisting of: (a) H; (b) C 1 -C 8 alkyl; (c) a group of the formula -M-R CH, wherein M is a bond or -(CH 2) n1 -, wherein the subscript n1 is 1 or 2; R CH is (a) aryl or C 3 -C 6 cycloalkyl optionally substituted with 1-3 groups independently selected from halo, C 1 -C 4 alkyl, or C 1 -C 4 alkoxy; or (b) a 5- to 6-membered monocyclic heterocycle containing 1 or 2 heteroatoms independently selected from the group consisting of N and O, wherein said heterocycle of R CH is optionally substituted with 1 or 2 groups independently selected from the group consisting of oxo and C 1-3 alkyl; (d) a group of the formula -(CH 2) n1 -R m or -(CH 2) 2 -O-(CH 2) 2 -R m wherein R m is -CO 2 R m1, -C N(R m2) 2, or -O R m1; R m1 is C 1 -C 4 alkyl; and R m2 is H or C 1 -C 4 alkyl; (e) a group of the formula -(CH 2) 2 -R n, R n is -OH, -O-(C 1 -C 4 alkyl), -O-(CH 2) 2 -O-(C 1 -C 4 alkyl), -NH 2, -N (C 1 -C 4 alkyl) or -N(C 1 -C 4 alkyl) 2; (f) a group of the formula wherein R o is H or C 1 -C 4 alkyl; and R p is C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, or phenyl; and, (g) a group of the formula wherein R o and R p are as set forth above. (a) C 1 -C 3 alkyl; (b) C 1 -C 3 fluoroalkyl; (c) C 1 -C 3 alkoxy; (d) C 3 -C 6 cycloalkyl; (e) phenyl; (f) benzyl; and (g) -C N(C 1 -C 3 alkyl) 2; (a) H; (b) C 1 -C 3 alkyl; (c) C 1 -C 3 alkoxy; and (d) halo; (a) H; (b) C 1 -C 8 alkyl; (c) a group of the formula -M-R CH, wherein M is a bond or -(CH 2) n1 -, wherein the subscript n1 is 1 or 2; R CH is (a) aryl or C 3 -C 6 cycloalkyl optionally substituted with 1-3 groups independently selected from halo, C 1 -C 4 alkyl, or C 1 -C 4 alkoxy; or (b) a 5- to 6-membered monocyclic heterocycle containing 1 or 2 heteroatoms independently selected from the group consisting of N and O, wherein said heterocycle of R CH is optionally substituted with 1 or 2 groups independently selected from the group consisting of oxo and C 1-3 alkyl; M is a bond or -(CH 2) n1 -, wherein the subscript n1 is 1 or 2; R CH is (a) aryl or C 3 -C 6 cycloalkyl optionally substituted with 1-3 groups independently selected from halo, C 1 -C 4 alkyl, or C 1 -C 4 alkoxy; or (b) a 5- to 6-membered monocyclic heterocycle containing 1 or 2 heteroatoms independently selected from the group consisting of N and O, wherein said heterocycle of R CH is optionally substituted with 1 or 2 groups independently selected from the group consisting of oxo and C 1-3 alkyl; (d) a group of the formula -(CH 2) n1 -R m or -(CH 2) 2 -O-(CH 2) 2 -R m wherein R m is -CO 2 R m1, -C N(R m2) 2, or -O R m1; R m1 is C 1 -C 4 alkyl; and R m2 is H or C 1 -C 4 alkyl; R m1 is C 1 -C 4 alkyl; and R m2 is H or C 1 -C 4 alkyl; (e) a group of the formula -(CH 2) 2 -R n, R n is -OH, -O-(C 1 -C 4 alkyl), -O-(CH 2) 2 -O-(C 1 -C 4 alkyl), -NH 2, -N (C 1 -C 4 alkyl) or -N(C 1 -C 4 alkyl) 2; (f) a group of the formula wherein R o is H or C 1 -C 4 alkyl; and R p is C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, or phenyl; and, R o is H or C 1 -C 4 alkyl; and R p is C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, or phenyl; and, (g) a group of the formula wherein R o and R p are as set forth above.