HETEROCYCLIC HYDROCARBONS (ORGANIC CHEMISTRY)
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BTCYCLIC HYDROCARBONS (ORGANIC CHEMISTRY)
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BTHETEROCYCLIC COMPOUNDS (CHEMISTRY)
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UDC547.7/.8
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Descriptor GERHETEROCYCLISCHE KOHLENWASSERSTOFFE (ORGANISCHE CHEMIE)
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Descriptor ENGHETEROCYCLIC HYDROCARBONS (ORGANIC CHEMISTRY)
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Descriptor FREHYDROCARBURES HÉTÉROCYCLIQUES (CHIMIE ORGANIQUE)
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Variant GERHETEROZYKLISCHE KOHLENWASSERSTOFFE (ORGANISCHE CHEMIE)
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Variant GERKOHLENWASSERSTOFFE/HETEROCYCLISCHE KOHLENWASSERSTOFFE (ORGANISCHE CHEMIE)
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Variant GERHETEROCYCLEN (ORGANISCHE CHEMIE)
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Variant GERHETEROZYKLEN (ORGANISCHE CHEMIE)
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Variant ENGHYDROCARBONS/HETEROCYCLIC HYDROCARBONS (ORGANIC CHEMISTRY)
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Variant ENGHETEROCYCLES (ORGANIC CHEMISTRY)
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Variant FREHÉTÉROCYCLES (CHIMIE ORGANIQUE)
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NTAMINES (HETEROCYCLIC HYDROCARBONS)
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NTCARBOXYLIC ACIDS OF HETEROCYCLIC HYDROCARBONS (ORGANIC CHEMISTRY)
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NTHETERO-MONOCYCLIC HYDROCARBONS
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NTHETERO-POLYCYCLIC HYDROCARBONS
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NTHETEROCYCLIC ANNULENES (MACROCYCLIC COMPOUNDS)
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NTHETEROCYCLIC ANNULENES (MACROCYCLIC COMPOUNDS)
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NTHETEROCYCLIC CARBONYLS (ORGANIC CHEMISTRY)
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NTHETEROCYCLIC HYDROCARBONS/DIVISION ACCORDING TO HETEROATOMS
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NTHETEROCYCLIC HYDROCARBONS/SUBDIVISION ACCORDING TO RING SIZE
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NTHETEROCYCLIC HYDROCARBONS/HALOGENATED
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NTHETEROCYCLIC HYDROCARBONS/NITRO COMPOUNDS