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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257/00
Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines
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C07C257/10
with replacement of the other oxygen atom of the carboxyl group by nitrogen atoms, e.g. amidines
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C07C257/16
having carbon atoms of amidino groups bound to carbon atoms of rings other than six-membered aromatic rings
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