https://w3id.org/framester/conceptnet5/data/en/phosphorous_acid <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/acid> <https://w3id.org/framester/conceptnet5/data/en/phosphorous.a> <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/chemical_compound> <https://w3id.org/framester/conceptnet5/data/en/chemical_substance> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/weak_acid> <https://w3id.org/framester/conceptnet5/data/en/chemically_acidic_substance> <https://w3id.org/framester/conceptnet5/data/en/arrhenius_acid> <https://w3id.org/framester/conceptnet5/data/en/inorganic_substance> <https://w3id.org/framester/conceptnet5/data/en/weak_electrolyte> <https://w3id.org/framester/conceptnet5/data/en/diprotic_acid> risorse dalla linked data cloud