http://qiserver.ugr.es/cod/1522724.cif
http://qiserver.ugr.es/cod/1524131.cif
http://qiserver.ugr.es/cod/1525102.cif
http://qiserver.ugr.es/cod/1525800.cif
http://qiserver.ugr.es/cod/1528234.cif
http://qiserver.ugr.es/cod/1540790.cif