1-Ethyl-1-methyl-3-(oxidodiphenylacetoxy)piperidinium 1-Ethyl-3-hydroxy-1-methylpiperidinium bromide benzilate 125-51-9 13473-38-6 5-21-01-00043 (Beilstein Handbook Reference) BRN 1506094 EINECS 236-748-1 Pipenzolate Pipenzolonum Piperidinium, 1-ethyl-3-((hydroxydiphenylacetyl)oxyl)-1-methyl- (9CI) Piperidinium, 1-ethyl-3-hydroxy-1-methyl-, benzilate (ester)