Nesvadba, Peter, et al. “Novel Thione-Thiol Rearrangement of Dithiocarbonic Acid O-(2,2,6,6-Tetramethylpiperidin-1-Yl) Ester in the Context of Controlled Radical Polymerization”. CHIMIA, vol. 64, no. 1-2, Feb. 2010, p. 56, https://doi.org/10.2533/chimia.2010.56.