Sayil, C., & Ibis, C. (2013). Synthesis and Crystal Structures of 4,4-Dichloro-2-nitro-1,1,3-tris(phenylsulfanyl)-buta-1,3-diene and 4,4-Dichloro-2-nitro-1,1-bis(phenylsulfanyl)-3-(phenylsulfinyl)-buta-1,3-diene. Asian Journal of Chemistry, 25(14), 8093–8096. https://doi.org/10.14233/ajchem.2013.15136