1. PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
2. Department of Organic Chemistry, University of Geneva, 30 quai Ernest Ansermet, 1211 Geneva, Switzerland
3. Dipartimento di Chimica ″Giacomo Ciamician″, Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy