Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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241/00
Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
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C07D241/02
not condensed with other rings
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C07D241/06
having one or two double bonds between ring members or between ring members and non-ring members
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C07D241/08
with oxygen atoms directly attached to ring carbon atoms
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