<http://schema.org/headline>
"Th\u1EA7y gi\u00E1o t\u1EA1t axit li\u00EAn ti\u1EBFp 4 \u0111\u1ED3ng nghi\u1EC7p"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baomoi.com/thay-giao-tat-axit-lien-tiep-4-dong-nghiep/c/13372284.epi>