Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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231/00
Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
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C07D231/02
not condensed with other rings
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C07D231/06
having one double bond between ring members or between a ring member and a non-ring member
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C07D231/08
with oxygen or sulfur atoms directly attached to ring carbon atoms
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