XANTHONE + XANTHENE (HETEROCYCLIC HYDROCARBONS)
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BTHETERO-TRICYCLIC HYDROCARBONS/OXYGEN MONOHETERO
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BTHETEROCYCLIC KETONES (ORGANIC CHEMISTRY)
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BTCONDENSED HETERO-POLYCYCLIC HYDROCARBONS/ONLY OXYGEN AS HETEROATOM
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UDC547.89,9*1*0*1*2*2
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Descriptor GERXANTHON + XANTHEN (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGXANTHONE + XANTHENE (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREXANTHONE + XANTHÈNE (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant GERXANTHON (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant GERXANTHEN (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant ENGXANTHONE (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant ENGXANTHÈNE (HYDROCARBURES HÉTÉROCYCLIQUES)
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NTXANTHONES + FLAVONES (NATURAL DYES)
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RTXANTHENE DYES + PYRONINE DYES (COLOUR INDUSTRIES)