Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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233/00
Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
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C07D233/54
having two double bonds between ring members or between ring members and non-ring members
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C07D233/56
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
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C07D233/60
with hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to ring nitrogen atoms
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