http://qiserver.ugr.es/cod/1510975.cif
http://qiserver.ugr.es/cod/1522729.cif
http://qiserver.ugr.es/cod/1523099.cif
http://qiserver.ugr.es/cod/1524061.cif
http://qiserver.ugr.es/cod/1524635.cif
http://qiserver.ugr.es/cod/1533881.cif