_:b664473681	<http://www.w3.org/2007/05/powder-s#describedby>	<http://localhost:8890/about/id/entity/http/purl.allotrope.org/ontologies/material> .
_:b664473681	<http://www.w3.org/2002/07/owl#inverseOf>	<http://purl.obolibrary.org/obo/IAO_0000136> .