Nizatidine Impurity I

1-(2-(((2-((dimethylamino)methyl)thiazol-4-yl)methyl)thio)ethyl)-3-methylurea|Des(N'-methyl-2-nitro-1,1-ethenediamino) N'-Methylureido Nizatidine|N-[2-[[[2-[(Dimethylamino) methyl]thiazol-4-yl] methyl]sulphanyl] ethyl]-N?-methylurea ;|N-[2-[[[2-[(Dimethylamino)methyl]-4-thiazolyl]methyl]thio]ethyl]-N'-methylurea|N-[2-[[[2-[(Dimethylamino)methyl]-4-thiazolyl]methyl]thio]ethyl]-N'-methylurea;