Synonyms: Piperidinium,1-ethyl-1-(2-hydroxyethyl)-, bromide, benzilate (8CI); Piperidinium,1-ethyl-1-[2-[(hydroxydiphenylacetyl)oxy]ethyl]-, bromide (9CI); Benzilic acid,ester with 1-ethyl-1-(2-hydroxyethyl)-piperidinium bromide (8CI); Benzilicacid, ester with 1-ethyl-1-(2-hydroxyethyl)piperidinium bromide (8CI);2-(1-Piperidino)ethylbenzilate ethylbromide