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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225/00
Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones
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C07C225/24
the carbon skeleton containing carbon atoms of quinone rings
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C07C225/26
having amino groups bound to carbon atoms of quinone rings or of condensed ring systems containing quinone rings
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C07C225/32
of condensed quinone ring systems formed by at least three rings
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