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Relation: subclass

ChemicalBase1A CompoundSubstance that is capable of reacting with a ChemicalAcid and forming a ChemicalSal...^
PlantSubstance39BodySubstances that are produced exclusively by Plants.^
BiologicallyActiveSubstance250A Substance that is capable of inducing a change in the structure or functioning of an Organism...^
    Alkaloid.A ChemicalBase found in Plants that has physiological and psychological effects.^

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