Synthesis and the antimicrobial activity of hexamethylene-N-maleinimidospiroindole-3,3'-pyrrolo|3,4-s|pyrrole derivatives - Ye. I. Suymka; R. G. Redkin; L. A. Shemchuk; K. V. Hlebova; N. I. Filimonova (Journal of organic and pharmaceutical chemistry, 2017)