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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39/00
Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
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C07C39/18
monocyclic with unsaturation outside the aromatic ring
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C07C39/19
containing carbon-to-carbon double bonds but no carbon-to-carbon triple bonds
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C07C39/20
Hydroxy-styrenes
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