Previous Article Next Article Table of Contents Science, Vol.366, No.6463, 304-305, 2019 DOI10.1126/science.aay6919 Export Citation Photocatalytic deracemization fixes the mix Wendlandt AE Photocatalysis converts racemic mixtures of N-aryl cyclic ureas into single enantiomers Please enable JavaScript to view the comments powered by Disqus.