http://qiserver.ugr.es/cod/1544468.cif
http://qiserver.ugr.es/cod/1544469.cif
http://qiserver.ugr.es/cod/1544470.cif
http://qiserver.ugr.es/cod/1544471.cif
http://qiserver.ugr.es/cod/1544472.cif
http://qiserver.ugr.es/cod/1544473.cif