http://qiserver.ugr.es/cod/1010625.cif
http://qiserver.ugr.es/cod/1515511.cif
http://qiserver.ugr.es/cod/2310841.cif
http://qiserver.ugr.es/cod/2311724.cif
http://qiserver.ugr.es/cod/4002083.cif
http://qiserver.ugr.es/cod/4002084.cif
http://qiserver.ugr.es/cod/4030262.cif
http://qiserver.ugr.es/cod/4067694.cif
http://qiserver.ugr.es/cod/4067695.cif
http://qiserver.ugr.es/cod/9010977.cif