http://qiserver.ugr.es/cod/1560721.cif
http://qiserver.ugr.es/cod/1560722.cif
http://qiserver.ugr.es/cod/1565099.cif
http://qiserver.ugr.es/cod/1565100.cif
http://qiserver.ugr.es/cod/1565101.cif
http://qiserver.ugr.es/cod/1565102.cif