HETERO-POLYCYCLIC HYDROCARBONS/NITROGEN DIHETERO
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BTHETERO-POLYCYCLIC HYDROCARBONS/NITROGEN AS HETEROATOM
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UDC547.89,9*1*1*2
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Descriptor GERHETERO-POLYCYCLISCHE KOHLENWASSERSTOFFE/STICKSTOFF-DIHETERO
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Descriptor ENGHETERO-POLYCYCLIC HYDROCARBONS/NITROGEN DIHETERO
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Descriptor FREHYDROCARBURES HÉTÉROPOLYCYCLIQUES/AZOTE-DIHÉTÉRO
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Variant GERHETEROPOLYZYKLISCHE KOHLENWASSERSTOFFE/STICKSTOFF-DIHETERO
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Variant GERHETEROPOLYCYCLEN/STICKSTOFF-DIHETERO
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Variant GERHETEROPOLYZYKLEN/STICKSTOFF-DIHETERO
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Variant ENGHETEROPOLYCYCLES/NITROGEN DIHETERO
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Variant FREHÉTÉROPOLYCYCLES/AZOTE-DIHÉTÉRO
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NTBETALAINS (HETEROCYCLIC HYDROCARBONS)
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NTHETERO-BICYCLIC HYDROCARBONS/NITROGEN DIHETERO
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NTHETERO-TETRACYCLIC HYDROCARBONS/NITROGEN DIHETERO
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NTHETERO-TRICYCLIC HYDROCARBONS/NITROGEN DIHETERO
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NTHETEROCYCLIC HYDROCARBONS/NITROGEN DIHETERO, LINKED SYSTEMS
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NTIMIDAZOLE AND DERIVATIVES/POLYCYCLIC SYSTEMS, CONDENSED (HETEROCYCLIC HYDROCARBONS)
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NTNAPHTHYRIDINES (HETEROCYCLIC HYDROCARBONS)