Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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205/00
Compounds containing nitro groups bound to a carbon skeleton
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C07C205/49
the carbon skeleton being further substituted by carboxyl groups
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C07C205/57
having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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C07C205/61
the carbon skeleton being further substituted by doubly-bound oxygen atoms
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