N-(4-(5-cyano-4-(isopropylphenyl)-6-oxo-1-(β-D-galactopyranosyl)-1,6-dihydropyridin-2-yl)phenyl)-4-methylbenzenesulfonamide

N-(4-(5-cyano-4-(isopropylphenyl)-6-oxo-1-(2',3',4',6'-tetra-O-acetyl-β-Dgalactopyranosyl)-1,6-dihydropyridin-2-yl)phenyl)-4-methylbenzenesulfonamide