Vizer, S. A., K. B. Yerzhanov, Z. N. Manchuk, and A. G. Wieser. 1999. “Oxidative Carbonylation of Dipropargylarylamines at Palladium and Cupric Chlorides Catalysis”. Eurasian Chemico-Technological Journal 1 (1):1-8. https://doi.org/10.18321/ectj341.