https://w3id.org/framester/conceptnet5/data/en/copper_sulphate <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/copper.n> <https://w3id.org/framester/conceptnet5/data/en/sulfate.n> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/benedict%27s_reagent> <https://w3id.org/framester/conceptnet5/data/en/fehling%27s_solution> <https://w3id.org/framester/conceptnet5/data/en/bordeaux_mixture> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/preservative> <https://w3id.org/framester/conceptnet5/data/en/blue_vitriol> risorse dalla linked data cloud