The present invention relates to a compound of the general formula (1). The compound of formula (1) is suitable for use in a method for treating a disorder relating to the binding of a galectin, such as galectin-3 to a ligand in a mammal, such as a human. Furthermore the present invention concerns a method for treatment of a disorder relating to the binding of a galectin, such as galectin-3 to a ligand in a mammal, such as a human.