Hepatitis C virus inhibitors

A compound formula (II):

• wherein
• the dashed bond in formula II may be present or absent;
• G is
• R1 is selected from C1-6 alkyl, C1-6 alkoxy, phenyl, C3-6 cycloalkyl, heterocycle, and heteroaryl, wherein C1-6 alkyl is optionally substituted with —ORa, amino, —SRe, heterocycle, or heteroaryl, C1-6 alkoxy is optionally substituted with —ORa, and heterocycle is optionally substituted with —ORa amino, or —C(O)OC1-6 alkyl, or with one or two C1-3 alkyl;
• R2 is selected from hydrogen and C1-6 alkyl;
• R3 is selected from hydrogen, C1-6 alkyl, —C(O)OC1-6 alkyl, —C(O)NRbRc, —C(O)C3-6 cycloalkyl, and —S(O)2 C1-3 alkyl;
• R5 is selected from hydrogen, C1-6 alkyl, —ORd halo, —S(O) C1-3 alkyl, —S(O)2C1-3 alkyl, NRbRc, —CN, and —C(O)NRbRc;
• R7 is selected from halo, C1-3 alkyl, and C1-3 alkoxy wherein C1-3 alkyl, and C1-3 alkoxy are optionally substituted with one, two, three, four, or five halo;
• R8 is C1-3 alkyl, optionally substituted with —ORd;
• R9 is selected from C1-6 alkyl, C3-6 cycloalkyl, C1-6 alkoxy, —NRfRg, heteroaryl, heterocycle, and —CH2-heteroaryl;
• wherein:
• C1-6 alkyl is optionally substituted with one or two substituents independently selected from —ORh, —NRjRk, —NHC(O) C1-3 alkyl, —NHC(O)C3-6 cycloalkyl, and —NHC(O)O C1-3 alkyl;
• C1-6 alkoxy is optionally substituted with —ORh;
• any C3-6 cycloalkyl is optionally substituted with one, two, or three substituents independently selected from C1-3 alkyl, halo, —ORh, and —CD3;
• any heterocycle is optionally substituted with one, two, or three substituents independently selected from C1-3 alkyl, halo, —C(O)OC1-3 alkyl, —C(O)C1-6 alkyl, —C(O)C3-6 cycloalkyl, —C(O)NH C1-6alkyl, and —C(O)NHC3-6 cycloalkyl;
• wherein any —C(O)C1-6 alkyl is optionally substituted with —NHC(O)OC1-3 alkyl, —ORh or —NRjRk,
• any heteroaryl is optionally substituted with one or two C1-3 alkyl;
• Ra, Rb, Rc, Rd, Re, Rf, Rh, Rj, and Rk are each independently hydrogen or C1-3 alkyl;
• Rg is selected from hydrogen, C1-6 alkyl, and C1-3cycloalkyl;
• Am is —NHC(O)— or —C(O)NH—;
• a is 0, 1, or 2;
• and
• b is 0, 1 or 2;
• or a pharmaceutically-acceptable salt or stereoisomer thereof.