TETRAZOLES AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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BTHETERO-MONOCYCLIC HYDROCARBONS/NITROGEN TETRAHETERO, 5-MEMBERED RING
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UDC547.796.1
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Descriptor GERTETRAZOLE UND DERIVATE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGTETRAZOLES AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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Descriptor FRETÉTRAZOLES ET DÉRIVÉS (HYDROCARBURES HÉTÉROCYCLIQUES)