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(Left) Globo H glycoconjugates. Globo H ceramide (1); totally synthetic globo H glycoside (2); synthetic vaccine globo H-KLH (3). (Right) Globo H total synthesis. The fully synthetic Globo H hexasaccharide was prepared by using the logic of glycal assembly in an optimally convergent stepwise manner by using galactal (4) as well as glucal (5) and fucose (6).
