has role has functional parent independent continuant ethyl ester imidazoles antihypertensive agent sedative intravenous anaesthetic etomidate The ethyl ester of 1-[(1<i>R</i>)-1-phenylethyl]-1<em>H</em>-imidazole-5-carboxylic acid. It is an intravenous general anaesthetic with no analgesic activity. CHEBI:4910 1-[(1R)-1-phenylethyl]-1H-imidazole-5-carboxylic acid