Cuprate(2-), [[N,N′-1,2-ethanediylbis[N-[(carboxy-κO)methyl]glycinato-κN,κO]](4-)]-, sodium (1:2), (OC-6-21)-
Copper sodium ethylenediaminetetraacetate (1:2:1)
Disodium {2,2',2'',2'''-[ethane-1,2-diyldi(nitrilo-kappaN)]tetra(acetato-kappaO)(4-)}cuprate(2-)