Phosphonic acid-substituted benzazepinone-n-acetic acid derivatives processes for their use in the preparation of medicaments

摘要

A compound of formula I, a process for its preparation and use of the compound in the manufacture of a medicament useful in the treatment of cardiac insufficiency and high blood pressure. R1 and R2 are independently hydrogen or a group forming a biolabile phosphonic acid ester and R3 is hydrogen or a group forming a biolabile carboxylic acid ester.