N1,N5-bis(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)-N1,N5-dimethyl-2,4-dinitropenta-1,4-diene-1,1,5,5-tetraamine; 2,2’-Methylene Bis[Ranitidine]; N1,N5-Bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-N1',N5'-dimethyl-2,4-dinitro-1,4-pentadiene-1,1,5,5-tetramine; Ranitidine Impurity I; Ranitidine Formaldehyde Adduct; Ranitidine EP Impurity I
