HETERO-TRICYCLIC HYDROCARBONS/OXYGEN MONOHETERO
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BTHETERO-POLYCYCLIC HYDROCARBONS/OXYGEN MONOHETERO
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BTHETERO-TRICYCLIC HYDROCARBONS
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UDC547.89,9*1*0*1*2
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Descriptor GERHETERO-TRICYCLISCHE KOHLENWASSERSTOFFE/SAUERSTOFF-MONOHETERO
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Descriptor ENGHETERO-TRICYCLIC HYDROCARBONS/OXYGEN MONOHETERO
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Descriptor FREHYDROCARBURES HÉTÉROTRICYCLIQUES/OXYGÈNE-MONOHÉTÉRO
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Variant GERHETEROTRICYCLEN/SAUERSTOFF-MONOHETERO
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Variant GERHETEROTRIZYkLEN/SAUERSTOFF-MONOHETERO
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Variant ENGHETEROTRICYCLES/OXYGEN MONOHETERO
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Variant FREHÉTÉROTRICYCLES/OXYGÈNE-MONOHÉTÉRO
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NTCYANINES (HETEROCYCLIC HYDROCARBONS)
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NTXANTHONE + XANTHENE (HETEROCYCLIC HYDROCARBONS)