CHITIN (BIOCHEMISTRY)
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BTAMINOGLUCANS (BIOCHEMISTRY)
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BTANIMAL STRUCTURAL POLYSACCHARIDES (BIOCHEMISTRY)
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UDC577.114.8,562.331.1
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Descriptor GERCHITIN (BIOCHEMIE)
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Descriptor ENGCHITIN (BIOCHEMISTRY)
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Descriptor FRECHITINE (BIOCHIMIE)
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RTCHITIN AND DERIVATIVES (NATURAL SUBSTANCES)