http://qiserver.ugr.es/cod/1535229.cif
http://qiserver.ugr.es/cod/9005770.cif
http://qiserver.ugr.es/cod/9005771.cif
http://qiserver.ugr.es/cod/9005772.cif
http://qiserver.ugr.es/cod/9005773.cif
http://qiserver.ugr.es/cod/9005774.cif
http://qiserver.ugr.es/cod/9005775.cif
http://qiserver.ugr.es/cod/9005776.cif
http://qiserver.ugr.es/cod/9005777.cif
http://qiserver.ugr.es/cod/9005778.cif