the method was able to resolve 1 -- -- 3 , 1 -- -- 4 , and 1 -- -- 6 positional isomers of neutral oligosaccharides , which are defined as having the same number , type , sequence , and anomeric configurations of monosaccharides but differing in the linkage position of a single sugar .
C0026492
monosaccharides
C0007004
sugar