1. Invento Srl, “Companies Incubator” of the University of Torino, Via Nizza 52, I-10126 Torino, Italy, Istituto per lo Studio delle MACromolecole (ISMAC), NMR Laboratory, CNR, Via Bassini 15, I-20133 Milano, Italy, Stelar Srl, Via Fermi 4, I-27035 Mede (PV), Italy, and Department of Chemistry IFM, University of Torino, Via P. Giuria 7, I-10125 Torino, Italy