Synonyms: 3-[5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONAMIDO]-2,2,5,5-TETRAMETHYL-1-PYRROLIDINYLOXY;3-[5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONAMIDO]-PROXYL;3-[5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONAMIDO]-PROXYL, FREE RADICAL;3-(5-(Dimethylamino)-1-naphthalenesulfoneamido)proxyl;3-[5-(DIMETHYLAMINO)-1-NAPHTHALENESULFON AMIDO]-PROXYL, FREE RADICAL 98%;3-[5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONAMIDO]-PROXYL, 98%, FREE RADICAL