Novel nitrocatechol derivatives having selectin ligand activity

Pharmaceutical compositions comprising at least one compound of e.g. the formulas (Ie) and a pharmaceutically acceptable carrier which is useful in a medicine wherein the symbols and substituents have the following meaning -X- is e.g. and Y is e.g. or the pharmaceutically acceptable salts, esters or amides and prodrugs of the above identified compounds can be applied to modulate the in- vitro and in- vivo binding processes mediated by E-, P- or L-selectin binding.