https://w3id.org/framester/conceptnet5/data/en/catecholamine <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/amine> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/catechol> <https://w3id.org/framester/conceptnet5/data/en/amine> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/amine> risorse dalla linked data cloud