1,2-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 > 1,2-Diazoles

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 non 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