http://qiserver.ugr.es/cod/1529596.cif
http://qiserver.ugr.es/cod/1529787.cif
http://qiserver.ugr.es/cod/1530125.cif
http://qiserver.ugr.es/cod/1530126.cif
http://qiserver.ugr.es/cod/1530343.cif
http://qiserver.ugr.es/cod/1530623.cif
http://qiserver.ugr.es/cod/1534661.cif
http://qiserver.ugr.es/cod/9009544.cif