condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone

Full Title

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having oxygen as the only ring hetero atom, e.g. fungichromin > having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide > condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone