http://qiserver.ugr.es/cod/1008091.cif
http://qiserver.ugr.es/cod/1008159.cif
http://qiserver.ugr.es/cod/1008160.cif
http://qiserver.ugr.es/cod/1523039.cif
http://qiserver.ugr.es/cod/1523040.cif
http://qiserver.ugr.es/cod/1523041.cif
http://qiserver.ugr.es/cod/1528163.cif
http://qiserver.ugr.es/cod/1539214.cif