(subclass Alkaloid ChemicalBase) | Mid-level-ontology.kif 8642-8642 | Alkaloid is a subclass of chemical base |
(subclass Alkaloid PlantSubstance) | Mid-level-ontology.kif 8643-8643 | Alkaloid is a subclass of plant substance |
(subclass Alkaloid BiologicallyActiveSubstance) | Mid-level-ontology.kif 8644-8644 | Alkaloid is a subclass of biologically active substance |