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IPC Subgroup
A61K 31/435

having six-membered rings with one nitrogen as the only ring hetero atom

Introduced: July 1974

Last revised: January 2006

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

Classification Context

Section:
HUMAN NECESSITIES
Class:
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

7 direct subcodes

Child Classifications

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  • A61K 31/438 the ring being spiro-condensed with carbocyclic or heterocyclic ring systems
  • A61K 31/439 the ring forming part of a bridged ring system, e.g. quinuclidine
  • A61K 31/46 8-Azabicyclo [3.2.1] octane; Derivatives thereof, e.g. atropine, cocaine
  • A61K 31/465 Nicotine; Derivatives thereof