L-5 Hydroxytrytophan April 12, 2017 L-5 Hydroxytrytophan Trade Name Orphan Indication Postanoxic intention myoclonus USA Market Approval USA USA Designation Date 1984-11-01 00:00:00 Sponsor Watson Laboratories, Inc.;33 Ralph Avenue, P.O. Box 30;Copiaque, New York, 11726
