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method for separation of dl tryptophan benzolsulfonat or dl tryptophan pphenolsulfonat in their optical antipodes, and, where appropriate, the optically active tryptophan in ueberfuehrung
method for separation of dl tryptophan benzolsulfonat or dl tryptophan pphenolsulfonat in their optical antipodes, and, where appropriate, the optically active tryptophan in ueberfuehrung
