528-04-1 N-[2-[[[5-[(2,4-dioxo-1H-pyrimidin-1-yl)]-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphinoyl]oxy-hydroxy-phosphinoyl]oxy-4,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-3-yl]acetamide UDP-GlcNAc UDP-N-acetyl-D-glucosamine UDP-N-acetyl-glucosamine UDP-acetyl-D-glucosamine uridine diphosphate N-acetylglucosamine