{"tema_id":"2047","string":"\u00d3XIDOS DE NITR\u00d3GENO","created":"2026-05-25 01:03:53","code":null,"notes":[{"@type":"Nota de alcance","@lang":"es","@value":"Compuestos de nitr\u00f3geno con altos contenidos de ox\u00edgeno. "}]}