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Some milk oligosaccharides of monotremes, marsupials and humans. CGF symbols are used to express individual monosaccharides and different colors, whereas different glycosidic linkages are shown by different bond angles in a clockwise format; i.e., 1-2 linkage (6:00 O’clock), 1-3 (7:30), 1-4 (9:00), and 1-6 (10:30). On the other hand, α and β anomers are represented by thin and thick lines, respectively.
