1 89A 2-[[(2r)-2-[[(1r,2s,3r,4r,5r)-4-acetamido-2-oxidanyl-6,8-dioxabicyclo[3.2.1]octan-3-yl]oxy]propanoyl]amino]propanamide 1.000 2 AH0 2-(2-acetylamino-4-hydroxy-6,8-dioxa-bicyclo[3.2.1]oct-3-yloxy)-propionic acid 0.720