FURAN AND DERIVATIVES/POLYCYCLIC, CONDENSED (HETEROCYCLIC HYDROCARBONS)
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BTFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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BTHETERO-POLYCYCLIC HYDROCARBONS/OXYGEN AS HETEROATOM
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BTCONDENSED HETERO-POLYCYCLIC HYDROCARBONS/ONLY OXYGEN AS HETEROATOM
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UDC547.728
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Descriptor GERFURAN UND DERIVATE/POLYCYCLISCHE, KONDENSIERTE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGFURAN AND DERIVATIVES/POLYCYCLIC, CONDENSED (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREFURANNE ET DÉRIVÉS/POLYCYCLIQUES, CONDENSÉS (HYDROCARBURES HÉTÉROCYCLIQUES)
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NTBENZOFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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NTDIBENZOFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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RTDIOXINS AND FURANS, BENZODIOXINS, DIBENZODIOXINS, BENZOFURANS, DIBENZOFURANS (ENVIRONMENTAL POLLUTANTS)