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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 8304-8304 Alkaloid is a subclass of chemical base
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 8305-8305 Alkaloid is a subclass of plant substance
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 8306-8306 Alkaloid is a subclass of biologically active substance


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