<https://secure.gravatar.com/avatar/c3d354d8374807b0d52e5a8d9ff0eea7?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://semanticae.es/mercadona/limpiador-enzimatico-perros/>