United States Pharmacopeia (USP) Reference Standard Synonym(s): N,N'-Bis{2-{{{5-[(dimethylamino)methyl]furan-2-yl}methyl}sulfanyl}ethyl}-2-nitroethene-1,1-diamine; N,N'-Bis{2-{{{5-[(dimethylamino)methyl]furan-2-yl}methyl}thio}ethyl}-2-nitro-1,1-ethylenediamine Empirical Formula:...