. "Gal/GalNAc" . "disaccharides" . . "disaccharide sugar" . . "saccharide" . "di-" . "disaccharide" . . "Disaccharide" . . . . "dihexose" . "Disaccharide" . "two simple sugars" . . "carbohydrate" . "composed of two simple sugars" .