http://qiserver.ugr.es/cod/1523128.cif
http://qiserver.ugr.es/cod/1523129.cif
http://qiserver.ugr.es/cod/1527284.cif
http://qiserver.ugr.es/cod/1527831.cif
http://qiserver.ugr.es/cod/1528149.cif
http://qiserver.ugr.es/cod/1528240.cif
http://qiserver.ugr.es/cod/9012726.cif
http://qiserver.ugr.es/cod/9012727.cif
http://qiserver.ugr.es/cod/9012728.cif
http://qiserver.ugr.es/cod/9012729.cif