| (subclass OrganicCompound CompoundSubstance) | Mid-level-ontology.kif 8586-8586 | |
| (subclass Urea OrganicCompound) | Mid-level-ontology.kif 8599-8599 | |
| (subclass Steroid OrganicCompound) | Mid-level-ontology.kif 8605-8605 | |
| (subclass Hydrocarbon OrganicCompound) | Mid-level-ontology.kif 8610-8610 | |
| (subclass Alcohol OrganicCompound) | Mid-level-ontology.kif 8639-8639 | |
| (subclass AminoAcid OrganicCompound) | Mid-level-ontology.kif 8723-8723 | |
| (subclass WoodProduct OrganicCompound) | Economy.kif 5225-5225 |
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