Naproxen is a non steroidal anti inflammatory and antipyretic drug which has local irritation effect on the stomach. and unpleasant taste. besides bad flowability and light sensitivity . The drug was prepared as microcapsules by complex coacervation method using acacia-gelatin coating materials . https://www.diegojavierfares.com/special-deal-Elektrosatz-Anhangevorrichtung-fur-BJ-2008-2012-E-Satz-ECS-flash-find/