The invention refers to a solid state, which includes an acid [[5 - (3-chlorophenyl) - 3-hydroxypyridine-2-carbon] amine], acetic (formula 1), a compound thereof and a method for making a solid state. This ingredient is very useful in the treatment of anemiaLa presente invencion se refiere a formas solidas que comprenden acido {[5-(3-clorofenil)-3-hidroxipiridin-2-carbonil]amino}acetico (formula I), sus composiciones y metodos para elaborar las formas solidas. Dicha composicion es util en el tratamiento de anemias