Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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265/00
Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
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C07D265/28
1,4-Oxazines; Hydrogenated 1,4-oxazines
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C07D265/30
not condensed with other rings
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C07D265/32
with oxygen atoms directly attached to ring carbon atoms
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