The invention refers to a compound of formula I, or a salt acceptable in pharmacology, which can form a part of pharmacology synthesis together with one or more acceptable diluents, carriers or precursors. It also refers to the method of preparing formula compounds, as well as the ingredients of drugs and treatments. The present invention can be used as an inhibitor of phosphoric acid 1 (pde1) to treat diabetic nephropathy caused by diabetes.La presente invencion se refiere a un compuesto de Formula I: o una sal farmaceuticamente aceptable del mismo, que puede formar parte de una composicion farmaceutica junto a uno o mas diluyentes, portadores o excipientes farmaceuticamente aceptables. Tambien se refiere a metodos de preparacion de compuestos de la formula y composiciones farmaceuticas, y de tratamiento. La presente invencion es util como inhibidor de fosfodiesterasa 1 (PDE1) para el tratamiento de la enfermedad renal diabetica producto de la diabetes.
