http://qiserver.ugr.es/cod/1527359.cif
http://qiserver.ugr.es/cod/1527360.cif
http://qiserver.ugr.es/cod/1538395.cif
http://qiserver.ugr.es/cod/9009853.cif
http://qiserver.ugr.es/cod/9009854.cif
http://qiserver.ugr.es/cod/9009855.cif
http://qiserver.ugr.es/cod/9009856.cif