The present invention provides Compound (I), 2-butoxy-N-(2-chloro-6-fluorophenyl)-4-[3-(2-chlorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-5-fluorobenzamide and Compound (II), N-(2-chloro-6-fluorophenyl)-4-[4-ethyl-3-(hydroxymethyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-5-fluoro-2-{[(2S)-1,1,1-trifluoropropan-2-yl]oxy}benzamide, (II):and stereoisomers, tautomers, N-oxides, hydrates, solvates, and salts thereof, and mixtures of same, methods for the preparation of Compound (I) and Compound (II) and their use for the treatment of hyperproliferative diseases, particularly cancer.