http://qiserver.ugr.es/cod/1510272.cif
http://qiserver.ugr.es/cod/1523055.cif
http://qiserver.ugr.es/cod/1523056.cif
http://qiserver.ugr.es/cod/9012882.cif
http://qiserver.ugr.es/cod/9012883.cif