http://qiserver.ugr.es/cod/1525084.cif
http://qiserver.ugr.es/cod/1525301.cif
http://qiserver.ugr.es/cod/1525502.cif
http://qiserver.ugr.es/cod/1525503.cif
http://qiserver.ugr.es/cod/1525504.cif