DIBENZOFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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BTFURAN AND DERIVATIVES/POLYCYCLIC, CONDENSED (HETEROCYCLIC HYDROCARBONS)
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UDC547.728.2*2
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Descriptor GERDIBENZOFURAN UND DERIVATE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGDIBENZOFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREDIBENZOFURANNE ET DÉRIVÉS (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant GERBENZOFURAN/DIBENZOFURAN UND DERIVATE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant ENGBENZOFURAN/DIBENZOFURAN AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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Variant FREBENZOFURANNE/DIBENZOFURANNE ET DÉRIVÉS (HYDROCARBURES HÉTÉROCYCLIQUES)
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NTHALOGENATED DIBENZOFURANS (HETEROCYCLIC HYDROCARBONS)