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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C07C255/49
having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
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C07C255/50
to carbon atoms of non-condensed six-membered aromatic rings
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C07C255/51
containing at least two cyano groups bound to the carbon skeleton
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