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chemical

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analog

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chemical aggregate

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chemical group

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cofactor

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drug /agent

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element

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endocrine disrupting compound

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free radical

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ion

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mineral

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nitrogen compound

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organic chemical

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oxygen compound

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phosphorus compound

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reagent /indicator

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salt

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silicon compound

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sulfur compound

Scope Note:

tree section heading for terms covering drugs, reagents, biomolecules, and other chemical compounds.

Term Number:

4000-0145

Send your comments to: Melody Lowe