Wang, Qi-Qiang; Begum, Rowshan Ara; Day, Victor W.; Bowman-James, Kristin (2012). "Sulfur, Oxygen, and Nitrogen Mustards: Stability and Reactivity". Organic & Biomolecular Chemistry. 10 (44): 8786–8793. doi:10.1039/c2ob26482j. PMID 23070251. /wiki/Doi_(identifier)