having seven-membered rings, e.g. azelastine, pentylenetetrazole

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 seven-membered rings, e.g. azelastine, pentylenetetrazole

Classification Context

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

3 direct subcodes

Child Classifications

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A61K 31/551 having two nitrogens as ring hetero atoms, e.g. clozapine, dilazep
A61K 31/553 having at least one nitrogen and at least one oxygen as ring hetero atoms, e.g. loxapine, staurosporine
A61K 31/554 having at least one nitrogen and at least one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem