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2534. Alleged misbranding of Glyoxylide, Benzoquinone, and Malonide. U. S. v. Koch Laboratories, Inc., Dr. William F. Koch, and Louis Koch (2 indictments). Pleas of not guilty. Tried to a jury. No verdict rendered because of inability of jury to agree. Cases retried before second jury, but before verdict could be rendered, illness of one of twelve jurors required discharge of the jury. Case subsequently dismissed.