MesylatesErgoloid MesylatesAminationPalladiumBenzamidesPiperazinesPyrimidinesLeukemia, Myelogenous, Chronic, BCR-ABL PositiveGastrointestinal Stromal TumorsFusion Proteins, bcr-ablAntineoplastic AgentsProtein Kinase InhibitorsLeukemia, Myeloid, Chronic-PhaseProto-Oncogene Proteins c-kitDrug Resistance, NeoplasmReceptor, Platelet-Derived Growth Factor alphaGenes, ablProto-Oncogene Proteins c-ablK562 CellsBlast CrisisProtein-Tyrosine KinasesThiazolesCytogenetic AnalysisGastrointestinal NeoplasmsPhiladelphia ChromosomeHypereosinophilic SyndromeLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeTreatment Outcome