Complex sentence: Lestaurtinib (rINN, codenamed CEP-701) is a tyrosine kinase inhibitor undergoing research for the treatment of acute myelogenous leukemia (AML) and myeloproliferative disorders.
Split into simpler sentences: Lestaurtinib (rINN, codenamed CEP-701) is a tyrosine kinase inhibitor. It is undergoing research for the treatment of acute myelogenous leukemia (AML) and myeloproliferative disorders.