<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.pfister.ch/fr/produktdetail/7467400/Catalogue/Accessoires-de-cuisine/Couteaux-de-cuisine-%26-planches-%C3%A0-d%C3%A9couper/Planche-%C3%A0-d%C3%A9couper-Marble>