1. Laboratory of Marine Natural Products Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-East Branch, Russian Academy of Sciences, Prospect 100-let Vladivostoku 159, Vladivostok 690022, Russian Federation
2. Tumor and Breast Center ZeTuP St. Gallen, Rorschacher Strasse 150, St. Gallen 9006, Switzerland