<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/185quot-benq-g955a-led-1366-x-768-tn-169-5ms-12mil1-250cdm2-vga-vesa-cerny+dp181868/>