The invention is directed to formulations of lipophilic Amyloid βeta ligand stilbene based derivatives and more particularly to formulations which are administrable parentally e.g. intravenously wherein the lipophilic Amyloid βeta ligand stilbene based derivative is a 19F or 18F-labeled radiopharmaceutical thereof. Further, the invention is directed to a method for sterile filtration of said suitable formulation.
