2-(dimethylamino)ethyl 4-(butylamino)benzoate BENZOIC ACID,4-BUTYLAMINO,2-DIMETHYLAMINOETHYL ESTER PANTOCAIN BASE InChI=1/C15H24N2O2/c1-4-5-10-16-14-8-6-13(7-9-14)15(18)19-12-11-17(2)3/h6-9,16H,4-5,10-12H2,1-3H benzoic acid, 4-(butylamino)-, 2-(dimethylamino)ethyl ester