<https://www.cartridgemonkey.com/ink-cartridges/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Book>
<https://www.cartridgemonkey.com/product/Compatible-Canon-PGI-2500XL-Cyan-Ink-Cartridge-RE9265B001AA-86630/>