HETEROCYCLIC HYDROCARBONS/NITROGEN AS HETEROATOM
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BTHETEROCYCLIC HYDROCARBONS/DIVISION ACCORDING TO HETEROATOMS
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BTORGANIC NITROGEN BASES
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BTNITROGEN-ORGANIC COMPOUNDS
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UDC547.7/.8*HA*1
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Descriptor GERHETEROCYCLISCHE KOHLENWASSERSTOFFE/STICKSTOFF ALS HETEROATOM
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Descriptor ENGHETEROCYCLIC HYDROCARBONS/NITROGEN AS HETEROATOM
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Descriptor FREHYDROCARBURES HÉTÉROCYCLIQUES/AZOTE COMME HÉTÉROATOME
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Variant GERHETEROZYKLISCHE KOHLENWASSERSTOFFE/STICKSTOFF ALS HETEROATOM
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Variant GERHETEROCYCLEN/STICKSTOFF ALS HETEROATOM
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Variant GERHETEROZYKLEN/STICKSTOFF ALS HETEROATOM
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Variant GERSTICKSTOFFHETEROZYKLEN
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Variant GERSTICKSTOFFHETEROCYCLEN
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Variant ENGNITROGEN HETEROCYCLES
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Variant ENGHETEROCYCLES/NITROGEN AS HETEROATOM
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Variant FREHÉTÉROCYCLES/AZOTE COMME HÉTÉROATOME
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NTAZA ANNULENES (MACROCYCLIC COMPOUNDS)
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NTAZACYCLOPHANES (MACROCYCLIC COMPOUNDS)
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NTHETERO-POLYCYCLIC HYDROCARBONS/NITROGEN AS HETEROATOM
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NTHETEROCYCLIC HYDROCARBONS/NITROGEN AS ONE OF THREE DIFFERENT HETEROATOMS
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NTHETEROCYCLIC HYDROCARBONS/NITROGEN AS ONE OF TWO DIFFERENT HETEROATOMS
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NTHETEROCYCLIC HYDROCARBONS/NITROGEN MONOHETERO