FLT3 and neuroblastoma: For example, SBI‐0206965 was reported to be cytotoxic to glioblastoma, neuroblastoma and lung cancer cells [18, 19, 20], and MRT68921 potentiates chemosensitivity in mesothelioma [21] and induces apoptosis and autophagy in FLT3‐ITD‐mutated acute myeloid leukemia [22].