Patent ID: 8258290

Claim:
A compound or physiologically acceptable salt thereof, having the formula: wherein: where —O— separating the two rings in the formula is in an alpha or beta 1-3 linkage; R 1a , R 1b , R 1c and R 1d are each independently selected from OH, NHAc, and galactose linked by an O glycosidic bond, with the proviso that three of R 1a , R 1b , R 1c and R 1d are independently selected from OH and NHAc and one of R 1a , R 1b , R 1c and R 1d is not OH or NHAc; R 2 =a fucose; R 3 =—CH 2 —OH; R 4 =H; and R 5 =H.