1. QOPNA and Department of Chemistry
2. University of Aveiro
3. 3810-193 Aveiro
4. Portugal
5. Laboratory of Pharmacology and Experimental Therapeutics
6. Centre of Ophthalmology and Vision Sciences
7. IBILI
8. Faculty of Medicine of University of Coimbra
9. 3000-548 Coimbra
10. Faculty of Medicine
11. University of Coimbra
12. Department of Organic Chemistry