OTIS CLAPP BACK QUELL (MAGNESIUM SALICYLATE, ACETAMINOPHEN) TABLET, FILM COATED [UNIFIRST FIRST AID CORPORATION] Home OTIS CLAPP BACK QUELL (MAGNESIUM SALICYLATE, ACETAMINOPHEN) TABLET, FILM COATED [UNIFIRST FIRST AID CORPORATION] OTIS CLAPP BACK QUELL (MAGNESIUM SALICYLATE, ACETAMINOPHEN) TABLET, FILM COATED [UNIFIRST FIRST AID CORPORATION] PDF | XML NDC 47682-587-03, 47682-587-99 Set ID 97a66115-4b88-4583-a7ed-38a38c8500ff Generic Name Product Class Product Number Application Number PART343 Related Drugs Search DailyMed Drugs