Synthesis and crystal structure of cytotoxic copper(II) complex with 1,10-phenanthroline-5,6-dione and isothiazole derivative - Yuliya A. Golubeva*, Ksenia S. Smirnova*, Lubov’ S. Klyushova**,1 Vladimir I. Potkin***, Elizaveta V. Lider (Известия вузов: Прикладная химия и биотехнология)