2-(diethylamino)ethyl 4-aminobenzoate 59-46-1 BENZOIC ACID,4-AMINO,2-DIETHYLAMINOETHYL ESTER PROCAIN BASE InChI=1/C13H20N2O2/c1-3-15(4-2)9-10-17-13(16)11-5-7-12(14)8-6-11/h5-8H,3-4,9-10,14H2,1-2H benzoic acid, 4-amino-, 2-(diethylamino)ethyl ester