(S-(E))-1-(5-((2-Amino-5-O-(aminocarbonyl)-2-deoxy-L-xylonoyl)amino)-1,5-dideoxy-1-(3,4-dihydro-5-(hydroxymethyl)-2,4-dioxo-1(2H)-pyrimidinyl)-beta-D-allofuranuronoyl)-3-ethylidene-2- azetidinecarboxylic acid 19396-03-3 2-Azetidinecarboxylic acid, 1-(5-(2-amino-2-deoxy-L-xylonamido)-1,5-dideoxy-1-(3,4-dihydro-5-(hydroxymethyl)-2,4-dioxo-1(2H)-pyrimidinyl)-beta-D-allofuranuronoyl)-3-ethylidene-, monocarbamate (ester), (E)-L- Polyoxin A