http://qiserver.ugr.es/cod/1526561.cif
http://qiserver.ugr.es/cod/1540213.cif
http://qiserver.ugr.es/cod/1540791.cif
http://qiserver.ugr.es/cod/1540792.cif
http://qiserver.ugr.es/cod/1540793.cif
http://qiserver.ugr.es/cod/1540794.cif
http://qiserver.ugr.es/cod/1540795.cif
http://qiserver.ugr.es/cod/1540796.cif
http://qiserver.ugr.es/cod/1540797.cif