http://qiserver.ugr.es/cod/1000207.cif
http://qiserver.ugr.es/cod/1000208.cif
http://qiserver.ugr.es/cod/1523965.cif
http://qiserver.ugr.es/cod/1523974.cif
http://qiserver.ugr.es/cod/1525089.cif
http://qiserver.ugr.es/cod/1525090.cif
http://qiserver.ugr.es/cod/1525091.cif
http://qiserver.ugr.es/cod/1525092.cif
http://qiserver.ugr.es/cod/1539018.cif
http://qiserver.ugr.es/cod/1541128.cif