Thieme Chemistry is part of the privately owned Thieme Group and publishes highly evaluated information about synthetic and general chemistry for professional chemists and advanced students since 1909. Our portfolio includes the new discovery tool SynOne, the journals SYNFACTS, SYNLETT, SYNTHESIS and SynOpen, the synthetic methodology reference work Science of Synthesis, the German chemical encyclopedia ROEMPP, and monographs in electronic and printed format. The Thieme Chemistry contribution within ChemSpider is provided under a CC-BY-NC-ND 4.0 license (https://creativecommons.org/licenses/by-nc-nd/4.0/), unless otherwise stated.