| (subclass Depressant BiologicallyActiveSubstance) | Mid-level-ontology.kif 9337-9337 | |
| (subclass Ethanol Depressant) | Mid-level-ontology.kif 8637-8637 | |
| (subclass Opium Depressant) | Mid-level-ontology.kif 9346-9346 | |
| (subclass AlcoholicBeverage Depressant) | Mid-level-ontology.kif 10905-10905 | |
| (subclass Benzodiazepine Depressant) | Medicine.kif 3867-3867 |
|
|