1.N-(4-((3-(2-amino-4-pyridine) -2-pyridine-oxygen) phenyl) -4-(4-methyl-2-thio) ester-1-o-aniline or its salts are used to treat refractory cancers of anticancer agents.
Use of compound N - (4 - ((3 - (2 - amino - 4 - pirimidinil) - 2-pyridinyl) oxy) phenyl) - 4 - (4 - methyl - 2 - thienyl) - 1 - ftalazinamina or its Salt for the treatment of cancer Refractory to treatment with an anti squamo AgentR.Uso del compuesto n-(4-((3-(2-amino-4-pirimidinil)-2-piridinil)oxi)fenil)-4-(4-metil-2-tienil)-1-ftalazinamina o su sal para el tratamiento de cáncer refractario a tratamiento con un agente anti-cáncer.