| (subclass Depressant BiologicallyActiveSubstance) | Mid-level-ontology.kif 9337-9337 | 子類 降凝劑 and BiologicallyActiveSubstance |
| (subclass Ethanol Depressant) | Mid-level-ontology.kif 8637-8637 | 子類 Ethanol and 降凝劑 |
| (subclass Opium Depressant) | Mid-level-ontology.kif 9346-9346 | 子類 鴉片 and 降凝劑 |
| (subclass AlcoholicBeverage Depressant) | Mid-level-ontology.kif 10905-10905 | 子類 酒精飲料 and 降凝劑 |
| (subclass Benzodiazepine Depressant) | Medicine.kif 3867-3867 | 子類 Benzodiazepine and 降凝劑 |
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