http://qiserver.ugr.es/cod/1511565.cif
http://qiserver.ugr.es/cod/1525095.cif
http://qiserver.ugr.es/cod/1532748.cif
http://qiserver.ugr.es/cod/1534026.cif
http://qiserver.ugr.es/cod/2105426.cif
http://qiserver.ugr.es/cod/2105427.cif
http://qiserver.ugr.es/cod/9008560.cif
http://qiserver.ugr.es/cod/9012309.cif
http://qiserver.ugr.es/cod/9012310.cif
http://qiserver.ugr.es/cod/9017471.cif