Kulai, I. V., S. Mallet-Ladeira, V. A. Kovtunenko, and Z. V. Voitenko. “Synthesis and Crystal Structure of 7-(diethylamino)-2-Ethoxy-3-(4-Nitrophenyl)- 2H-benzo[e] [1,2]oxaphosphinin 2-Oxide”. Reports of the National Academy of Sciences of Ukraine, no. 6, Feb. 2025, pp. 83-89, doi:10.15407/dopovidi2015.12.083.