ortho- or peri-condensed with carbocyclic ring systems

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines > 1,4-Oxazines, e.g. morpholine > ortho- or peri-condensed with carbocyclic ring systems

Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines > 1,4-Oxazines, e.g. morpholine > ortho- or peri-condensed with carbocyclic ring systems