22976-87-0 beta-D-Allofuranuronic acid, 5-((2-amino-5-O-(aminocarbonyl)-2,3-dideoxy-L-erythro-pentonoyl)amino)-1-(5-carboxy-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,5-dideoxy-