http://qiserver.ugr.es/cod/1001815.cif
http://qiserver.ugr.es/cod/1004125.cif
http://qiserver.ugr.es/cod/1511224.cif
http://qiserver.ugr.es/cod/1511225.cif
http://qiserver.ugr.es/cod/1511524.cif
http://qiserver.ugr.es/cod/1511706.cif
http://qiserver.ugr.es/cod/1511707.cif
http://qiserver.ugr.es/cod/9009773.cif
http://qiserver.ugr.es/cod/9009774.cif