1,2-Diazoles

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 five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole > 1,2-Diazoles

Classification Context

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

4 direct subcodes

Child Classifications

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A61K 31/4152 having oxo groups directly attached to the heterocyclic ring, e.g. antipyrine, phenylbutazone, sulfinpyrazone
A61K 31/4155 not condensed and containing further heterocyclic rings
A61K 31/416 condensed with carbocyclic ring systems, e.g. indazole
A61K 31/4162 condensed with heterocyclic ring systems