<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://purl.obolibrary.org/obo/CHEBI_33561> .
<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://purl.obolibrary.org/obo/CHEBI_33321> .
<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://purl.obolibrary.org/obo/CHEBI_33335> .
<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/2000/01/rdf-schema#label>	"yttrium atom" .
<http://purl.obolibrary.org/obo/CHEBI_33331>	<http://www.w3.org/2007/05/powder-s#describedby>	<https://covidontheweb.inria.fr:4443/about/id/entity/http/purl.obolibrary.org/obo/envo.owl> .