A
HUMAN NECESSITIES
A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
51/00
Preparations containing radioactive substances for use in therapy or testing in vivo
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
A61K51/02
characterised by the carrier; , i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
A61K51/04
Organic compounds
A61K51/04
Organic compounds
A61K51/041
Heterocyclic compounds
A61K51/041
Heterocyclic compounds
A61K51/044
having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins
A61K51/044
having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins
A61K51/0446
having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
A61K51/0446
having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil