22976-90-5 Allofuranuronic acid, 5-(2-amino-2-deoxy-L-xylonamido)-1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, 5'-carbamate, beta-D- NSC 308001 Piomycin B Polyoxin L beta-D-Allofuranuronic acid, 5-((2-amino-5-O-(aminocarbonyl)-2-deoxy-L-xylonoyl)amino)-1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-