ortho- or peri-condensed with 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 > ortho- or peri-condensed with 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 31/4355 the heterocyclic ring system containing a five-membered ring having oxygen as a ring hetero atom
• A61K 31/436 the heterocyclic ring system containing a six-membered ring having oxygen as a ring hetero atom, e.g. rapamycin
• A61K 31/4365 the heterocyclic ring system having sulfur as a ring hetero atom, e.g. ticlopidine
• A61K 31/437 the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
• A61K 31/4375 the heterocyclic ring system containing a six-membered ring having nitrogen as a ring hetero atom, e.g. quinolizines, naphthyridines, berberine, vincamine