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A method for the preparation of mixtures of 1, 3 - dimethylol - 5 - alkyl hexa hydro - 1, 3, 5 - or triazone - (2) - compounds and meth xylene urine substances
A method for the preparation of mixtures of 1, 3 - dimethylol - 5 - alkyl hexa hydro - 1, 3, 5 - or triazone - (2) - compounds and meth xylene urine substances
