Suymka, Y.I., Red’kin, R.G., Shemchuk, L.A., Hlebova, K.V. and Filimonova, N.I. 2017. Synthesis and the antimicrobial activity of hexamethylene-Nmaleinimidospiroindole- 3,3’-pyrrolo[3,4-c]pyrrole derivatives. Journal of Organic and Pharmaceutical Chemistry. 15, 4(60) (Dec. 2017), 56–62. DOI:https://doi.org/10.24959/ophcj.17.929.