http://qiserver.ugr.es/cod/1522999.cif
http://qiserver.ugr.es/cod/1523000.cif
http://qiserver.ugr.es/cod/1528101.cif
http://qiserver.ugr.es/cod/1528102.cif
http://qiserver.ugr.es/cod/1528915.cif
http://qiserver.ugr.es/cod/1535460.cif