http://qiserver.ugr.es/cod/1533399.cif
http://qiserver.ugr.es/cod/1533401.cif
http://qiserver.ugr.es/cod/1533404.cif
http://qiserver.ugr.es/cod/1533406.cif
http://qiserver.ugr.es/cod/1533408.cif
http://qiserver.ugr.es/cod/1533411.cif