<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/intel-core-i56600-33ghz-tb-39ghz-4c4t-256kb-1mb-6mb-hd-graphics-530-1151-skylake-65w+dp240733/>