IPC Subgroup
A61K 31/551 having two nitrogens as ring hetero atoms, e.g. clozapine, dilazep
Introduced: January 2000
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 seven-membered rings, e.g. azelastine, pentylenetetrazole > having two nitrogens as ring hetero atoms, e.g. clozapine, dilazep
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
1 direct subcode
Child Classifications
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- A61K 31/5513 1,4-Benzodiazepines, e.g. diazepam