having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines

Full Title

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

Child Classifications

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• A61K 31/5355 Non-condensed oxazines and containing further heterocyclic rings
• A61K 31/536 ortho- or peri-condensed with carbocyclic ring systems
• A61K 31/5365 ortho- or peri-condensed with heterocyclic ring systems
• A61K 31/537 spiro-condensed or forming part of bridged ring systems
• A61K 31/5375 1,4-Oxazines, e.g. morpholine
• A61K 31/539 having two or more oxygen atoms in the same ring, e.g. dioxazines
• A61K 31/5395 having two or more nitrogen atoms in the same ring, e.g. oxadiazines