5-20-03-00041 (Beilstein Handbook Reference) 98067-30-2 BENZOIC ACID, p-(2-PIPERIDINOPROPIONAMIDO)-, ETHYL ESTER BRN 1293185 Ethyl p-(2-piperidinopropionylamino)benzoate p-(2-Piperidinopropionamido)benzoic acid ethyl ester