Compounds derived from triazolopiridina modulators and triazolopirazina System, HGF / cmet; Pharmaceutical compositions and a method for treating a cancer is sensitive to the inhibition of c-met.<;p>;Compuestos derivados de triazolopiridina y triazolopirazina, moduladores del sistema HGF/cMet; composiciones farmacé;uticas; y un mé;todo para tratar un cá;ncer sensible a la inhibició;n de c-Met.<;/p>;