http://qiserver.ugr.es/cod/1534201.cif
http://qiserver.ugr.es/cod/1541394.cif
http://qiserver.ugr.es/cod/1541395.cif
http://qiserver.ugr.es/cod/1541396.cif
http://qiserver.ugr.es/cod/1541534.cif