(1R)-1-(3-Aminopropyl)-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarbonitrile Hydrochloride (-)-(R)-1-(3-Aminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran|-5-carbonitrile Hydrochloride; (R)-Didesmethylcitalopram Hydrochloride;

A metabolite of Citalopram, an inhibitor of serotonin (5-HT) uptake. Used as an antidepressant.