<https://chemoxide.bg/%d0%bb%d0%b5%d0%b3%d0%b8%d0%be%d0%bd%d0%b5%d0%bb%d0%b0/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://chemoxide.bg/%D0%BB%D0%B5%D0%B3%D0%B8%D0%BE%D0%BD%D0%B5%D0%BB%D0%B0/>