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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35/00
Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
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C07C35/22
polycyclic, at least one hydroxy group bound to a condensed ring system
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C07C35/23
with hydroxy on a condensed ring system having two rings
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C07C35/31
the condensed ring system containing eight carbon atoms
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