PURPURIC ACID + MUREXIDE (HETEROCYCLIC HYDROCARBONS)
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BTHETERO-BICYCLIC HYDROCARBONS/MORE THAN 3 NITROGENS IN THE RINGS
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BTINDICATORS (ANALYTICAL CHEMISTRY)
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BTNOT CONDENSED HETERO-POLYCYCLIC HYDROCARBONS
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UDC547.854.81*1
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Descriptor GERPURPURSÄURE + MUREXID (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Descriptor ENGPURPURIC ACID + MUREXIDE (HETEROCYCLIC HYDROCARBONS)
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Descriptor FREACIDE PURPURIQUE + MUREXIDE (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant GERPURPURSÄURE (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant GERMUREXID (HETEROCYCLISCHE KOHLENWASSERSTOFFE)
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Variant ENGPURPURIC ACID (HETEROCYCLIC HYDROCARBONS)
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Variant ENGMUREXIDE (HETEROCYCLIC HYDROCARBONS)
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Variant FREACIDE PURPURIQUE (HYDROCARBURES HÉTÉROCYCLIQUES)
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Variant FREMUREXIDE (HYDROCARBURES HÉTÉROCYCLIQUES)