https://w3id.org/framester/conceptnet5/data/en/coordination_compound <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/coordination.n> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/ligand_field_theory> <https://w3id.org/framester/conceptnet5/data/en/coordinate_bond> risorse dalla linked data cloud