Include Pharmaceutical compositions comprising a compound and also provides Treatment methods, including methods for the treatment of infection by the hepatitis C virus and Methods for the treatment of hepatic fibrosis, the methods generally involve the admi Nistracion to an individual in need of an effective amount of a compound or composition.Claim 1: a compound characterized by the formula (1), (2) or (3), in which: (a) R1 and R2 are independently H each Halo, cyano, Nitro, hydroxyl, alkyl, cycloalkyl C3 C1 - 6, - 7, - 10 alquenilo alquilcicloalquilo C4, C2 alkoxy C1 - 6, 6, 6 hidroxialquilo C1 -, alkyl - or C1 6 Pcionalmente until 5 fluoro substituted with alkoxy optionally substituted C1, with up to 5 - 6 fluoro,Aryl C6 or 10, piridilo, pirimidilo, tienilo, furanilo, thiazolyl, oxazolilo, phenoxy, tiofenoxi, S (OR) 2nr6r7, NHC (OR) nr6r7 nr6r7, NHC (S), C (o) nr6r7, nr6r7, R8, C (o) C (o) 0R8, NHC (R8) NHC 0R8 (, OR), (OR) 2r8 somr8, NHS, chnnr6r7, ochnr6r7, or where ochnr9 R9 is imidazolilo or pirazolilo; these tienilo pyrimid, ILO, furanilo,Oxazolilo thiazolyl and in the definition of R1 and R2 are optionally substituted with two Halo, cyano, Nitro Hydroxy alkyl, cycloalkyl, C1 - C3 - 6, 7, 10 alquenilo alquilcicloalquilo C4, C1 C2 - 6, 6 - alkoxy alkyl hidroxialquilo C1, C1 - 6 - 6, optionally replaced with up to 5 fluoro alkoxy, C1 - 6 optionally replaced with up to 5 or 10 C6 fluoro aryl; these, piridilo,Tiofenoxi phenoxy and in the definition of R1 and R2 are optionally substituted with up to three Halo, cyano, Nitro Hydroxy alkyl, cycloalkyl, C1 - C3 - 6, 7, 10 alquenilo alquilcicloalquilo C4, C1 C2 - 6, 6 - alkoxy alkyl hidroxialquilo C1, C1 - 6 - 6, optionally replaced with up to 5 fluoro alkoxy, C 1 - 6 optionally replaced with up to 5 fluoro; (b) M = 0, 1 or 2; (c) R4 is H, alkyl C1 - 6Cycloalkyl C3 - C4 - 10 7 alquilcicloalquilo, phenyl or benzyl, phenyl or benzyl optionally replaced with up to three Halo, cyano, Nitro Hydroxy alkyl, cycloalkyl, C1