(1)
Suymka, Y. I.; Red’kin, R. G.; Shemchuk, L. A.; Hlebova, K. V.; Filimonova, N. I. Synthesis and the Antimicrobial Activity of Hexamethylene-Nmaleinimidospiroindole- 3,3’-pyrrolo[3,4-c]pyrrole Derivatives. J. Org. Pharm. Chem. 2017, 15, 56-62.