Ferrate(2-),rel-[N(R)]-[N-[2-[bis[(carboxy-kO)methyl]amino-kN]ethyl]-N-[2-[(S)-[(carboxy-kO)methyl](carboxymethyl)amino-kN]ethyl]glycinato(5-)-kN,kO]-sodium (1:2),(PB-7-13-12564)-

pentetic acid disodium-ferric salt ; ferrate(2-),rel-[n(r)][n-[2-[bis[carboxy-.kappa.]methyl]amino-.kappa.n]ethyl}-n-[2-[(s)-carboxy-.kappa.o)methyl](carboxymethyl)amino-.kappa.n]ethyl]glycinato(5-).kappa.n,.kappa.o]-,disodium ; dtpa-fe ; pentetic acid disodium ferric acid ; ferrate(2-), rel-[n(r)][n-[2-[bis[carboxy-.kappa.]methyl]amino-.kappa.n]ethyl}-n-[2-[(s)-carboxy-.kappa.o)methyl](carboxymethyl)amino-.kappa.n]ethyl]glycinato(5-).kappa.n,.kappa.o]-, disodium ; ferrate(2-), rel-[n(r)]-[n-[2-[bis[(carboxy-ko)methyl]amino-kn]ethyl]-n-[2-[(s)-(carboxy-ko)methyl](carboxymethyl)amino-kn]ethyl]glycinato(5-)-kn,ko]-, sodium (1:2),(pb-7-13-12564)- ; diethylenetriaminepentaacetic acid iron(iii) disodium salt hydrate ; disodium [n,n-bis[2-[bis(carboxymethyl)amino]ethyl]glycinato(5-)]ferrate(2-) ; disodium iron(iii) pentetate ; diethylenetriaminepentaacetic acid iron(iii) disodium salt