Molecules (ISSN 1420-3049; CODEN: MOLEFW) is the leading international, peer-reviewed open access journal, published monthly by MDPI. Now in its 21th year of publication, the papers published in Molecules span from classical synthetic methodology to natural product isolation and characterization, as well as physicochemical studies and the applications of these molecules as pharmaceuticals, catalysts and novel materials. The Impact Factor for Molecules is 2.465 (2015 Journal Citation ReportsĀ® Science Edition, Thomson Reuters, 2016)