1,3-Diazoles

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 > 1,3-Diazoles

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 31/4166 having oxo groups directly attached to the heterocyclic ring, e.g. phenytoin
• A61K 31/4168 having a nitrogen atom attached in position 2, e.g. clonidine
• A61K 31/417 Imidazole-alkylamines, e.g. histamine, phentolamine
• A61K 31/4172 Imidazole-alkanecarboxylic acids, e.g. histidine
• A61K 31/4174 Arylalkylimidazoles, e.g. oxymetazolin, naphazoline, miconazole
• A61K 31/4178 not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
• A61K 31/4184 condensed with carbocyclic rings, e.g. benzimidazoles
• A61K 31/4188 condensed with heterocyclic ring systems, e.g. biotin, sorbinil