Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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281/00
Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one sulfur atom as the only ring hetero atoms
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C07D281/04
having the hetero atoms in positions 1 and 4
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C07D281/08
condensed with carbocyclic rings or ring systems
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C07D281/10
condensed with one six-membered ring
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