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. 2022 Jun 11;11(6):903. doi: 10.3390/biology11060903

Figure 1.

Figure 1

Chemical structure of Neu5Ac and Neu5Gc. Neu5Gc differs by a single oxygen atom that is added by the CMAH enzyme. Retrieved from PubChem [18] (Neu5Ac–CID 439197; Neu5Gc–CID 440001).