http://qiserver.ugr.es/cod/1523019.cif
http://qiserver.ugr.es/cod/1523020.cif
http://qiserver.ugr.es/cod/1523021.cif
http://qiserver.ugr.es/cod/1523022.cif
http://qiserver.ugr.es/cod/1523634.cif
http://qiserver.ugr.es/cod/1525490.cif
http://qiserver.ugr.es/cod/1525535.cif
http://qiserver.ugr.es/cod/1525536.cif
http://qiserver.ugr.es/cod/1539802.cif
http://qiserver.ugr.es/cod/9012394.cif