Synonyms: 4-(3-IODO-2-OXOPROPYLIDENE)-2,2,3,5,5-PENTAMETHYL IMIDAZOLIDINE-1-OXYL;4-(3-IODO-2-OXOPROPYLIDENE)-2,2,3,5,5-PENTAMETHYL-IMIDAZOLIDINE-1-OXYL, FREE RADICAL;4-(3-IODO-2-OXOPROPYLIDENE)-2,2,3,5,5-PENTAMETHYL-IMIDAZOLIDINE-1-OXYL, 95%, FREE RA