<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/gigabyte-gah110mhd3-ddr3-h110-lga-1151-2x-ddr3-pciex16-3x-pciex1-m2+dp252066/>