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
A61K31/00
Medicinal preparations containing organic active ingredients
A61K31/00
Medicinal preparations containing organic active ingredients
A61K31/33
Heterocyclic compounds
A61K31/33
Heterocyclic compounds
A61K31/395
having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K31/395
having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K31/40
having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
A61K31/40
having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
A61K31/403
condensed with carbocyclic rings, e.g. carbazole
A61K31/403
condensed with carbocyclic rings, e.g. carbazole