“New organometallic ruthenium(II) complexes with purine analogs – a wide perspective on their biological application” Marzena Fandzloch, Tomasz Jędrzejewski, Liliana Dobrzańska, Ginés M. Esteban-Parra, Joanna Wiśniewska, Agata Paneth, Piotr Paneth and Jerzy Sitkowski Dalton Trans. 50, 5557 (2021)