oligosaccharide
a saccharide polymer containing a small number (typically two to ten) of simple sugars (monosaccharides)
disaccharide
complex sugar, formed when two monosaccharides are joined by glycosidic linkage
core oligosaccharide
short chain of sugar residues within Gram-negative lipopolysaccharide
human milk oligosaccharide
group of compounds
trisaccharide
class of carbohydrate