A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
51/00 Preparations containing radioactive substances for use in therapy or testing in vivo
A61K51/02 characterised by the carrier; , i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
A61K51/04 Organic compounds