4-Amino-3-iodo-1H-azorrolo[3,4-D]pyrimidine can be used as a reagent for the discovery and preparation of CHMFL-FLT3-122, and can be used as an oral and effective FLT3-ITD positive acute myeloid leukemia inhibitor . Develop and prepare effective and selective Plasmodium falciparum calcium-dependent protein kinase 4 (PfCDPK4) inhibitors, which can prevent the transmission of malaria to mosquitoes.