73637-19-1 ACETIC ACID, (ETHYLENEDINITRILO)TETRA-, DISODIUM SALT, COPPER COMPLEX, TRIHYDRAT Acetic acid, (ethylenedinitrilo)tetra-, disodium salt, copper complex, trihydrate Disodium cupric ethylenediaminetetraacetate trihydrate Sequestrene Na2Cu copper chelate