<http://schema.org/headline>
"PROTOXIDO DE NITROGENO MEDICINAL PRAXAIR 98,0 % v/v, GAS PARA INHALACION EN BOTELLA , 1 bala de gas de 3 l."^^<http://www.w3.org/2001/XMLSchema#string>
<http://nomenclator.org/2016/protoxido-nitrogeno-medicinal-praxair-98.15/>