67114-23-2 BENZOIC ACID, 4-(2-(N-ETHYL-N-(4-HYDROXYBUTYL)AMINO)ETHYL)-, ETHYL ESTER, 3,4,5- Benzoic acid, 4-(2-(N-ethyl-N-(4-hydroxybutyl)amino)ethyl)-, ethyl ester, 3,4,5-trimethoxybenzoate (ester)