title: A novel Grignard addition to a coumarin.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003374:Coumarins; D006219:Halogens; D007202:Indicators and Reagents; D008274:Magnesium
chemical_list: D003374:Coumarins; D006219:Halogens; D007202:Indicators and Reagents; D008274:Magnesium