Haibo Zhao, Johnathan E. Holladay, Heather Brown, Z. Conrad Zhang (15. juni 2007). "Metal Chlorides in Ionic Liquid Solvents Convert Sugars to 5-Hydroxymethylfurfural". Science. 316 (5831): 1597-1600. doi:10.1126/science.1141199.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)