4-[(Carboxyl- and sulfamyl-substituted alkyl)-amino] benzoic acids and analogs

A compound of the formula:

• ##STR2## wherein X is selected from the group consisting of carboxy, lower alkoxycarbonyl and aryloxycarbonyl;
• A is an unbranched or branched alkylene group optionally saturated or mono- or poly-unsaturated, and containing or not containing a cycloalkyl group, represented by the formula C.sub.n H.sub.2(n-p) with n being an integer from 8 to 18, inclusive, and p being an integer from 0 to 5, inclusive;
• and Z is selected from the group consisting of hydroxy, lower alkoxy, lower alkoxyalkoxy, di(lower alkyl)aminoalkoxy, (mono- or poly-hydroxy)lower alkoxy, allyloxy and substituted or unsubstituted benzyloxy;
• and the pharmaceutically acceptable non-toxic acid-addition and cationic salts thereof.