Grygoriv, G. V., Lega, D. A., Zupanets, I. A., Shebeko, S. K., Zimin, S. M., Starchikova, I. L., & Shemchuk, L. A. (2019). Spiro[benzo[е]pyrano[3,2-c][1,2]oxathiin-4,3’-indolil]-3-carbonitrile 5,5-dioxides: synthesis and the biological activity study. Journal of Organic and Pharmaceutical Chemistry, 17(4(68), 53–61. https://doi.org/10.24959/ophcj.19.182954