Carboxyalkoxy-substituted acyl-carboxyphenyl urea derivatives and their use as medicaments

Compounds of the formula I, wherein mean R1 H, (C R2 H, (C R3 H, F, Cl, Br, OH, CF n is 1, 2, 3, 4, 5, 6, 7, 8; and their physiologically acceptable salts.