22976-86-9 33401-46-6 5-Pyrimidinecarboxylic acid, 1-(5-(2-amino-2-deoxy-L-xylonamido)-5-deoxy-beta-D-allofuranuronosyl)-1,2,3,4-tetrahydro-2,4-dioxo-, monocarbamate (ester) Polyoxin D Polyoxin Z Polyoxorim beta-D-Allofuranuronic acid, 5-((2-amino-5-O-(aminocarbonyl)-2-deoxy-L-xylonoyl)amino)-1-(5-carboxy-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,5-dideoxy-