http://qiserver.ugr.es/cod/1538329.cif
http://qiserver.ugr.es/cod/1538528.cif
http://qiserver.ugr.es/cod/9012406.cif
http://qiserver.ugr.es/cod/9012407.cif
http://qiserver.ugr.es/cod/9012408.cif
http://qiserver.ugr.es/cod/9012409.cif
http://qiserver.ugr.es/cod/9012410.cif
http://qiserver.ugr.es/cod/9013462.cif