http://qiserver.ugr.es/cod/1100045.cif
http://qiserver.ugr.es/cod/1510928.cif
http://qiserver.ugr.es/cod/1511069.cif
http://qiserver.ugr.es/cod/1545624.cif
http://qiserver.ugr.es/cod/6000752.cif
http://qiserver.ugr.es/cod/9012244.cif
http://qiserver.ugr.es/cod/9012245.cif
http://qiserver.ugr.es/cod/9014892.cif
http://qiserver.ugr.es/cod/9015070.cif