CYANURIC ACID AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS )
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BTTRIAZINES AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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UDC547.491.8
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Descriptor GERCYANURSÄURE UND DERIVATE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGCYANURIC ACID AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS )
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Descriptor FREACIDE CYANURIQUE ET DÉRIVÉS (HYDROCARBURES HÉTÉROCYCLIQUES)
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NTMELAMINE (HETEROCYCLIC HYDROCARBONS)