having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil

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 one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil

Child Classifications

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• A61K 31/401 Proline; Derivatives thereof, e.g. captopril
• A61K 31/4015 having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide
• A61K 31/402 1-aryl substituted, e.g. piretanide
• A61K 31/4025 not condensed and containing further heterocyclic rings, e.g. cromakalim
• A61K 31/403 condensed with carbocyclic rings, e.g. carbazole
• A61K 31/407 condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
• A61K 31/409 having four such rings, e.g. porphine derivatives, bilirubin, biliverdine (hemin, hematin A61K31/555)