Fondaparinux Sodium We have found the Brand name of Fondaparinux Sodium. Currently, 2 brands available by this Fondaparinux Sodium.List of Brands for Fondaparinux Sodium MedicationFonidel 2.5 Pre-Filled Syringe (Injection) 2.5 mg/.5 mlFondaparinux SodiumSquare Pharmaceuticals PLCFondanex (Injection) 2.5 mg/.5 mlFondaparinux SodiumDrug International Ltd.