https://w3id.org/framester/conceptnet5/data/en/phosphonate.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/salt> <https://w3id.org/framester/conceptnet5/data/en/biological> <https://w3id.org/framester/conceptnet5/data/en/ester> <https://w3id.org/framester/conceptnet5/data/en/derivative> <https://w3id.org/framester/conceptnet5/data/en/phosphonic_acid> risorse dalla linked data cloud