http://qiserver.ugr.es/cod/1509591.cif
http://qiserver.ugr.es/cod/1526095.cif
http://qiserver.ugr.es/cod/1534144.cif
http://qiserver.ugr.es/cod/1537624.cif
http://qiserver.ugr.es/cod/1538466.cif
http://qiserver.ugr.es/cod/5000097.cif
http://qiserver.ugr.es/cod/9009568.cif
http://qiserver.ugr.es/cod/9009569.cif