http://qiserver.ugr.es/cod/1522073.cif
http://qiserver.ugr.es/cod/1523937.cif
http://qiserver.ugr.es/cod/1524141.cif
http://qiserver.ugr.es/cod/1524702.cif
http://qiserver.ugr.es/cod/1524703.cif
http://qiserver.ugr.es/cod/1524704.cif