HETERO-MONOCYCLIC HYDROCARBONS/NITROGEN TRIHETERO, 6-MEMBERED RING
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BTHETERO-MONOCYCLIC HYDROCARBONS/MORE THAN 2 NITROGENS IN THE RING, 6-MEMBERED RING
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BTHETEROCYCLIC HYDROCARBONS/SIX-MEMBERED RINGS
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UDC547.7,0*0*1*3*4*1
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Descriptor GERHETERO-MONOCYCLISCHE KOHLENWASSERSTOFFE/STICKSTOFF-TRIHETERO, 6 RINGATOME
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Descriptor ENGHETERO-MONOCYCLIC HYDROCARBONS/NITROGEN TRIHETERO, 6-MEMBERED RING
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Descriptor FREHYDROCARBURES HÉTÉROMONOCYCLIQUES/AZOTE-TRIHÉTÉRO, CYCLE À 6 MEMBRES
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Variant GERHETEROMONOCYCLEN/STICKSTOFF-TRIHETERO, 6 RINGATOME
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Variant GERHETEROMONOZYKLEN/STICKSTOFF-TRIHETERO, 6 RINGATOME
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Variant ENGHETEROMONOCYCLES/NITROGEN TRIHETERO, 6-MEMBERED RING
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Variant FREHÉTÉROMONOCYCLES/AZOTE-TRIHÉTÉRO, CYCLE À 6 MEMBRES
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NTTRIAZINES AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)