Synonyms: Hydrogen[(ethylenedinitrilo)tetraacetato]zincate (7CI); Zincate(2-),[[N,N'-1,2-ethanediylbis[N-(carboxymethyl)glycinato]](4-)-N,N',O,O',ON,ON']-,dihydrogen, (OC-6-21)-; Zincate(2-), [[N,N'-1,2-ethanediylbis[N-[(carboxy-kO)methyl]glycinato-kN,kO]](4-)]-, dihydrogen, (OC-6-21)- (9CI); Nervanaid Zn14; Zn-EDTA