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. Author manuscript; available in PMC: 2022 Jun 27.
Published in final edited form as: Adv Carbohydr Chem Biochem. 2015 Nov 11;72:113–190. doi: 10.1016/bs.accb.2015.08.002

FIG. 2.

FIG. 2.

OPME and sequential OPME systems for the synthesis of disialyl oligosaccharides including DSLNnT, GD3 tetraose, DSLac, DS’LNT, and a monosialylpentaose LSTd (3”’-sLNnT).269 The structure of DSLNT found in human milk is shown for comparison purpose.