Unsaturated sugars.
D002241:Carbohydrates; D055598:Chemical Phenomena; D002621:Chemistry; D002712:Chlorides; D005561:Formates; D005663:Furans; D006219:Halogens; D009682:Magnetic Resonance Spectroscopy; D008628:Mercury; D009584:Nitrogen; D009705:Nucleosides; D010087:Oxides; D011714:Pyrans; D013455:Sulfur
D002241:Carbohydrates; D002712:Chlorides; D005561:Formates; D005663:Furans; D006219:Halogens; D009705:Nucleosides; D010087:Oxides; D011714:Pyrans; D013455:Sulfur; D008628:Mercury; D009584:Nitrogen