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Relation: subclass

direct-childrendocumentationgraph
OrganicCompound40Any CompoundSubstance that has a Carbon base.^
    Hydrocarbon5Any OrganicCompound that contains only Carbon and Hydrogen.^
        Rubber.Natural rubber, as opposed to synthetic rubber which is a Plastic, is a product of the rubber tre...^
        Plastic3Any of a large set of hydrocarbon materials, in the form of polymers, which are usually derived fro...^

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