Dofetilide Impurity 4

Chemical Name: N-methyl-4-nitro-N-(2-(4-nitrophenoxy)ethyl)aniline

Synonym: (4S,4aS,5aS,6S,12aS)-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Hydrochloride