Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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209/00
Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
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C07D209/02
condensed with one carbocyclic ring
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C07D209/04
Indoles; Hydrogenated indoles
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C07D209/10
with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
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C07D209/12
Radicals substituted by oxygen atoms
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