73637-20-4 ACETIC ACID, (ETHYLENEDINITRILO)TETRA-, DISODIUM SALT, MANGANESE COMPLEX, DIHYDR Acetic acid, (ethylenedinitrilo)tetra-, disodium salt, manganese complex, dihydrate Disodium manganese ethylenediaminetetraacetate dihydrate Sequestrene Na2Mn manganese chelate