[TITLE OF THE INVENTION]METAL-SALEN COMPLEX COMPOUND AND METHOD FOR PRODUCING THE SAME[ABSTRACT]The present invention provides a metal-salen complex compound having a controlled grain size that enables the metal-salen complex compound to exert its pharmacological effects as a medicine, at a target region. This metal-salen complex compound is composed of the following that has a crystal grain size of 8 pm or less, and that is represented by the chemical formula below. N,N.-Bis(salicylidene)ethylened amine metalM is Fe. Cr, Mn. Co. Ni. Mo, Ru, Rh, Pd, W, Re, Os, Ir. Pt, Nd, Sm, Eu. orGd (No Suitable Figure)
