Synonyms: 1-Ethyl-1-(2-hydroxyethyl)piperidiniumiodide, 3,4,5-trimethoxybenzoate (7CI); Piperidinium,1-ethyl-1-(2-hydroxyethyl)-, iodide, 3,4,5-trimethoxybenzoate (8CI); Benzoicacid, 3,4,5-trimethoxy-, ester with 1-ethyl-1-(2-hydroxyethyl)piperidiniumiodide; Benzoic acid, 3,4,5-trimethoxy-, 2-piperidinoethyl ester, compd. withiodomethane (1:1)