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CPC Subgroup
A61K 31/4164

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 being nitrogen, e.g. tetrazole > 1,3-Diazoles

8 direct subcodes

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 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 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
  • A61K 31/4184 condensed with carbocyclic rings, e.g. benzimidazoles
  • A61K 31/4188 condensed with other heterocyclic ring systems, e.g. biotin, sorbinil