Synonyms: Benzoicacid, m-amino-, 2-isobutylaminoethyl ester, hydrochloride (6CI); Ethanol,2-(isobutylamino)-, m-aminobenzoate (ester), monohydrochloride (8CI); Ethanol,2-[(2-methylpropyl)amino]-, 3-aminobenzoate (ester), monohydrochloride (9CI);2-Isobutylaminoethyl m-aminobenzoate hydrochloride; Metabutethaminehydrochloride; Unacaine; Unacaine hydrochloride