2-Piperidineethanol, 1-butyl-, benzoate 4-21-00-00088 (Beilstein Handbook Reference) 78219-30-4 BRN 0208588 Benzoic acid, 2-(1-butyl-2-piperidyl)ethyl ester beta-(1-Butyl-2-piperidyl)ethyl benzoate