CHOLINE CITRATE choline ferric citrate 2-HYDROXYETHYL-TRIMETHYL-AMMONIUM, 2-HYDROXYPROPANE-1,2,3-TRICARBOXYLATE TRICHOLINE CITRATE boxylato(4-))ferrate(1-) ethanaminium,2-hydroxy-n,n,n-trimethyl-,hydroxy(2-hydroxy-1,2,3-propanetricar iron-choline citrate complex