MesylatesErgoloid MesylatesAminationPalladiumBenzamidesPiperazinesPyrimidinesLeukemia, Myelogenous, Chronic, BCR-ABL PositiveGastrointestinal Stromal TumorsReceptors, Platelet-Derived Growth FactorFusion Proteins, bcr-ablAntineoplastic AgentsReceptor, Platelet-Derived Growth Factor alphaProtein Kinase InhibitorsLeukemia, Myeloid, Chronic-PhaseProto-Oncogene Proteins c-kitDrug Resistance, NeoplasmReceptor, Platelet-Derived Growth Factor betaGenes, ablProtein-Tyrosine KinasesProto-Oncogene Proteins c-ablK562 CellsBlast CrisisThiazolesCytogenetic AnalysisGastrointestinal NeoplasmsPhiladelphia ChromosomeHypereosinophilic SyndromeLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeTreatment Outcome