The present invention relates to radiopharmaceuticals and in particular to aradiopharmaceutical composition comprisinga compound of Formula (I): and polysorbate as an excipient. Theradiopharmaceutical composition of the invention reducesproblems encountered with prior art compositions comprising the same class ofcompounds. Also provided by the inventionis a method for the preparation of the radiopharmaceutical composition of theinvention as well as particular uses of theradiopharmaceutical composition.
