Isaev, S. G., O. M. Sviechnikova, A. O. Devyatkina, T. A. Kostina, and T. N. Svyatska. “Reactivity of Phenylanthranilic Acids Derivatives. Xxiii. Synthesis and Acid-Base Properties of 4,5-Dymethoxy-N-(2´-carboxyphenyl)anthranilic Acids”. Journal of Organic and Pharmaceutical Chemistry 11, no. 3(43) (September 10, 2013): 26–31. Accessed May 18, 2024. https://ophcj.nuph.edu.ua/article/view/ophcj.13.748.