containing further heterocyclic ring systems

Full Title

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with one nitrogen as the only ring hetero atom > Non-condensed pyridines; Hydrogenated derivatives thereof > containing further heterocyclic ring systems

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

Child Classifications

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• A61K 31/443 containing a five-membered ring with oxygen as a ring hetero atom
• A61K 31/4433 containing a six-membered ring with oxygen as a ring hetero atom
• A61K 31/4436 containing a heterocyclic ring having sulfur as a ring hetero atom
• A61K 31/4439 containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
• A61K 31/444 containing a six-membered ring with nitrogen as a ring hetero atom, e.g. amrinone