1. Department of Pharmacy-Drug Sciences University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy
2. Organic Chemistry Department Peoples' Friendship University of Russia (RUDN) 6 Miklukho-Maklaya St. Moscow 117198 Russia
3. Department of Biosciences, Biotechnologies and Biopharmaceutics University of Bari Aldo Moro Via E. Orabona 4 70125 Bari Italy