Enviar Registro por Correo electrónico: Close Correlation of 1‐β‐D‐Arabinofuranosylcytosine 5′‐Triphosphate, an Intracellular Active Metabolite, to the Therapeutic Efficacy of N(4)‐Behenoyl‐1‐β‐D‐arabinofuranosylcytosine Therapy for Acute Myelogenous Leukemia