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Process for the preparation of nitrilotriacetic acid and of acids derived from mono- -, di - and polyamines organic and substituted by two groups acéto in each of the amino group, as well as the alkali metal salts of these acids
Process for the preparation of nitrilotriacetic acid and of acids derived from mono- -, di - and polyamines organic and substituted by two groups acéto in each of the amino group, as well as the alkali metal salts of these acids