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Crystal structure of 4,6-dimethyl-2-[(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)sulfanyl]pyrimidine

In the title com­pound, C20H26N2O9S, the S atom is attached equatorially to the sugar ring. The C—S bond lengths are unequal, with S—Cs = 1.8018 (13) Å and S—Cp = 1.7662 (13) Å (s = sugar and p = pyrimid­yl). In the crystal, a system of three weak hydrogen bonds, sharing an oxygen acceptor, links the mol­ecules to form chains propagating parallel to the b-axis direction.

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