http://qiserver.ugr.es/cod/2300663.cif
http://qiserver.ugr.es/cod/2300664.cif
http://qiserver.ugr.es/cod/2300665.cif
http://qiserver.ugr.es/cod/2300666.cif
http://qiserver.ugr.es/cod/2300667.cif
http://qiserver.ugr.es/cod/2300668.cif
http://qiserver.ugr.es/cod/2300669.cif
http://qiserver.ugr.es/cod/2300670.cif
http://qiserver.ugr.es/cod/2300671.cif
http://qiserver.ugr.es/cod/2300672.cif