DIOXETANES (HETEROCYCLIC HYDROCARBONS)
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BTHETERO-MONOCYCLIC HYDROCARBONS/OXYGENS DIHETERO, 4-MEMBERED RING
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UDC547.7,0*0*0*2*2*1
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Descriptor GERDIOXETANE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGDIOXETANES (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREDIOXÉTANES (HYDROCARBURES HÉTÉROCYCLIQUES)