<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Offer>
<http://gianhangvn.com/kem-tri-di-ung-phat-bang-maximum-strength-hydrocortisone-1-vitamin-a-c-amp-e-0933555070-0902966670-427549.html>