Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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285/00
Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
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C07D285/02
Thiadiazoles; Hydrogenated thiadiazoles
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C07D285/04
not condensed with other rings
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C07D285/12
1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
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C07D285/125
with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
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