Zincate(2-), [[N,N′-1,2-ethanediylbis[N-[(carboxy-κO)methyl]glycinato-κN,κO]](4-)]-, sodium, hydrate (1:2:4), (OC-6-21)-
Zincate(2-), [[N,N′-1,2-ethanediylbis[N-(carboxymethyl)glycinato]](4-)-N,N′,O,O′,ON,ON′]-, disodium, tetrahydrate, (OC-6-21)-
Sodium (OC-6-21)-[[N,N′-1,2-ethanediylbis[N-[(carboxy-κO)methyl]glycinato-κN,κO]](4-)]zincate(2-) hydrate (2:1:4)