Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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333/00
Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
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C07D333/50
condensed with carbocyclic rings or ring systems
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C07D333/78
condensed with rings other than six-membered or with ring systems containing such rings
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C07D333/80
Seven-membered rings
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