SMARTRX NATURAL PAIN RELIEF SLEEVE KNEE (METHYL SALICYLATE) LIQUID [NICHE BRANDS, INC.] Home SMARTRX NATURAL PAIN RELIEF SLEEVE KNEE (METHYL SALICYLATE) LIQUID [NICHE BRANDS, INC.] SMARTRX NATURAL PAIN RELIEF SLEEVE KNEE (METHYL SALICYLATE) LIQUID [NICHE BRANDS, INC.] PDF | XML NDC 60589-004-00 Set ID 2fae11c3-82f6-4a9a-937f-aba45fb2b566 Generic Name Product Class Product Number Application Number PART348 Related Drugs Search DailyMed Drugs