1-Phenethyl-3-carbethoxy-4-piperidyl p-aminobenzoate dihydrochloride 3-Piperidinecarboxylic acid, 4-hydroxy-1-phenethyl-, ethyl ester, p-aminobenzoate (ester) Benzoic acid, p-amino-, (3-ethoxycarbonyl-1-phenethyl-4-piperidyl) ester, dihydrochloride DG2390000 Nipecotic acid, 4-hydroxy-1-phenethyl-, ethyl ester, p-aminobenzoate dihydrochloride p-Aminobenzoic acid (3-ethoxycarbonyl-1-phenethyl-4-piperidyl) ester dihydrochloride