HETERO-MONOCYCLIC HYDROCARBONS/NITROGEN DIHETERO, 6-MEMBERED RING
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BTHETERO-MONOCYCLIC HYDROCARBONS/NITROGEN DIHETERO
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BTHETEROCYCLIC HYDROCARBONS/SIX-MEMBERED RINGS, DIHETERO
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UDC547.7,0*0*1*2*4
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Descriptor GERHETERO-MONOCYCLISCHE KOHLENWASSERSTOFFE/STICKSTOFF-DIHETERO, 6 RINGATOME
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Descriptor ENGHETERO-MONOCYCLIC HYDROCARBONS/NITROGEN DIHETERO, 6-MEMBERED RING
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Descriptor FREHYDROCARBURES HÉTÉROMONOCYCLIQUES/AZOTE-DIHÉTÉRO, CYCLE À SIX ATOMES
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Variant GERHETEROMONOZYKLISCHE KOHLENWASSERSTOFFE/STICKSTOFF-DIHETERO, 6 RINGATOME
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Variant GERHETEROMONOCYCLEN/STICKSTOFF-DIHETERO, 6 RINGATOME
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Variant GERHETEROMONOZYKLEN/STICKSTOFF-DIHETERO, 6 RINGATOME
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Variant ENGHETEROMONOCYCLES/NITROGEN DIHETERO, 6-MEMBERED RING
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Variant FREHÉTÉROMONOCYCLES/AZOTE-DIHÉTÉRO, CYCLE A SIX ATOMES
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NTPYRAZINE AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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NTPYRIDAZINE AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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NTPYRIMIDINE AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)