67989-88-2 Cuprate(2-), ((N,N'-1,2-ethanediylbis(N-((carboxy-kappaO)methyl)glycinato-kappaN,kappaO))(4-))-, diammonium, (OC-6-21)- Diammonium ((N,N'-ethylenebis(N-(carboxymethyl)glycinato))(4-)-N,N',O,O',ON,ON')cuprate(2-) EINECS 268-018-3 Ethylenediaminetetraacetic acid, diammonium copper salt N,N'-1,2-Ethanediylbis(N-(carboxymethyl)glycinato)(4-) cuprate, diammonium