CPC Subgroup
A61K 31/407 condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
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 > condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine