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C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
C07D241/52—Oxygen atoms
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Chemical & Material Sciences
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Organic Chemistry
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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