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C07D267/00—Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one oxygen atom as the only ring hetero atoms
C07D267/02—Seven-membered rings
C07D267/08—Seven-membered rings having the hetero atoms in positions 1 and 4
C07D267/12—Seven-membered rings having the hetero atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
C07D267/16—Seven-membered rings having the hetero atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems condensed with two six-membered rings
C07D267/20—[b, f]-condensed
A—HUMAN NECESSITIES
A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/33—Heterocyclic compounds
A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
A—HUMAN NECESSITIES
A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/60—Salicylic acid; Derivatives thereof
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Health & Medical Sciences
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Chemical & Material Sciences
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Organic Chemistry
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Life Sciences & Earth Sciences
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Pharmacology & Pharmacy
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Epidemiology
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Medicinal Chemistry
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Animal Behavior & Ethology
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General Health & Medical Sciences
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Public Health
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Veterinary Medicine
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
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