http://qiserver.ugr.es/cod/1530124.cif
http://qiserver.ugr.es/cod/1530215.cif
http://qiserver.ugr.es/cod/1530803.cif
http://qiserver.ugr.es/cod/1540205.cif
http://qiserver.ugr.es/cod/9009545.cif
http://qiserver.ugr.es/cod/9009546.cif
http://qiserver.ugr.es/cod/9011926.cif