Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jarl Gripenberg and Tapio Hase and Eivor Holmberg and Marc Wagnières and D. H. Williams and E. Bunnenberg and Carl Djerassi and Ruth Records,The Ring Opening of Aromatic O-Heterocycles by Sodium in Pyridine.,Acta Chemica Scandinavica,0904-213X,Danish Chemical Society,1966,20,,1561-1570,https://cir.nii.ac.jp/crid/1361137044555881984,https://doi.org/10.3891/acta.chem.scand.20-1561