5497-52-9 Acetic acid, (ethylenedinitrilo)tetra-, calcium copper salt (1:1:1) Calcium ((N,N'-ethylenebis(N-(carboxymethyl)glycinato))(4-)-N,N',O,O',ON,ON')cuprate(2-) Calcium copper (ethylenedinitrilo)tetraacetate EINECS 226-832-6