PURINE AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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BTPURINES (HETEROCYCLIC HYDROCARBONS)
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UDC547.857*0
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Descriptor GERPURIN UND DERIVATE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGPURINE AND DERIVATIVES (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREPURINE ET DÉRIVÉS (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant GERMETHYLPURIN (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant ENGMETHYLPURINE (HETEROCYCLIC HYDROCARBONS)
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Variant FREMÉTHYLPURINE (HYDROCARBURES HÉTÉROCYCLIQUES)
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NTPURINE ALKALOIDS (ALKALOIDS)