120796-21-6 Nikkomycin pseudo-Z beta-D-Allofuranuronic acid, 5-((2-amino-4-hydroxy-4-(5-hydroxy-2-pyridinyl)-3-methyl-1-oxobutyl)amino)-1,5-dideoxy-1-(1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)-, (2S-(2R*,3R*,4R*))-