<http://schema.org/item>
<https://www.mironet.cz/spotrebni-material-pro-tiskarny/canon/inkoustove-multifunkce/canon-pixma-mp-540+c11609/>
<https://www.mironet.cz/xerox-cli-521-y-alternativni-cartridge-9ml-s-cipem-yellow+dp120214/>