Radiopharmaceutical medicines are medicines which contain one radionuclide or several radionuclides (radioactive isotopes) in ready-to-use form

Source: Russian Federation Law №61-FZ March 24, 2010 "On Circulation of Medicines"

Radiopharmaceutical: Any medicinal product which, when ready for use, contains one or more radionuclides (radioactive  isotopes) included for a medicinal purpose.

Source: Directive 2001/83/EC of the European Parliament and of the Council of 6 November 2001 on the Community code relating to medicinal products for human use