http://qiserver.ugr.es/cod/1010459.cif
http://qiserver.ugr.es/cod/1010460.cif
http://qiserver.ugr.es/cod/1011043.cif
http://qiserver.ugr.es/cod/1011047.cif
http://qiserver.ugr.es/cod/1011186.cif
http://qiserver.ugr.es/cod/1011191.cif
http://qiserver.ugr.es/cod/8104265.cif