Miss Patricia Curran. esters of p-aminobenzoic acid have antisulfonamide action. 2 Dimethylaminoethyl p-butylaminobenzoate (Pontocaine), another common local anesthetic, a derivative of p-butylaminobenzoic acid, also was reported to show this behavior. In the course of an investigation to determine whether N-substitution in general affects antisulfonamide action, a series of p-alkylaminobenzoic acid esters and amides was ...
