<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://healthygoods.com/brands-menu/hylands-cell-salts/lactose-free-liquid-tissue-salts/hyland-s-kali-phos-6x-liquid-cell-salt-2-oz.html>