502.5 the animalbody- FOREIGN PATENTS OR APPLICA'HONS 8 Claims, No Drawings 995,462 6/1965 United Kingdom 260/502.5 CYCLIC AMINOPHOSPHONIC ACIDS THE PRIOR ART OBJECTS OF THE INVENTION An object of the present invention is the development of a cyclic aminophosphonic acid derivative selected from the group consisting of 1) compounds of formula NI-IR wherein R is a member selected from the group cons