1. Gause Institute of New Antibiotics, 11 B. Pirogovskaya Street, Moscow 119021, Russia
2. Mendeleyev University of Chemical Technology, 9 Miusskaya Square, Moscow 125190, Russia
3. Blokhin National Medical Research Center of Oncology, 24 Kashirskoye Sh., Moscow 115522, Russia
4. Department of Parasitology, Pedro Kouri Tropical Medicine Institute, Havana, Cuba