escitalopram . Whereas citalopram is supplied as the hydrobromide , escitalopram is sold as the oxalate salt (hydrooxalate). [ 21 ] In both cases, the salt forms of the amine makes these otherwise lipophilic compounds water-soluble. [ edit ] Metabolites Citalopram metabolites desmethylcitalopram and didesmethylcitalopram are significantly less active, and their