1. Department of Pure and Applied Sciences, University of Urbino Carlo Bo, Piazza Rinascimento 6, 61029 Urbino, Italy
2. Department of Chemistry, Vancouver Island University, B360-R306, 900 Fifth St., Nanaimo, BC V9R 5S5, Canada
3. Syngenta, Jealott’s Hill International Research Centre, Bracknell RG42 6EY, Berkshire, UK