<https://w3id.org/whow/data/identifier/81591-81-3> <https://w3id.org/italia/env/onto/top/isIssuedBy> <https://w3id.org/whow/data/organisation/american-chemical-society> .
<https://w3id.org/whow/data/identifier/81591-81-3> <https://w3id.org/italia/env/onto/top/identifier> "81591-81-3" .
<https://w3id.org/whow/data/identifier/81591-81-3> <http://www.w3.org/2000/01/rdf-schema#label> "Identificativo CAS — 81591-81-3"@it .
<https://w3id.org/whow/data/identifier/81591-81-3> <http://www.w3.org/2000/01/rdf-schema#label> "CAS Identifier — 81591-81-3"@en .
<https://w3id.org/whow/data/identifier/81591-81-3> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://w3id.org/italia/env/onto/top/UniqueIdentifier> .