Fischer, Walter, and Tammo Winkler. “Chemo- and Regioselectivity in the Reaction of Tetrachloro- and Tetrabromophthalic Anhydrides and Imides With Thiolates”. CHIMIA 45, no. 5 (May 29, 1991): 162. Accessed November 23, 2024. https://www.chimia.ch/chimia/article/view/1991_162.