Synonyms: Zincate(2-),[[N,N'-1,2-ethanediylbis[N-(carboxymethyl)glycinato]](4-)-N,N',O,O',ON,ON']-,diammonium, (OC-6-21-)-;Zincate(2-), [[N,N'-1,2-ethanediylbis[N-[(carboxy-kO)methyl]glycinato-kN,kO]](4-)]-, diammonium, (OC-6-21-)- (9CI);Ethylenediaminetetraacetate-zinc-ammonia complex;