http://qiserver.ugr.es/cod/2000006.cif
http://qiserver.ugr.es/cod/4331394.cif
http://qiserver.ugr.es/cod/4343609.cif
http://qiserver.ugr.es/cod/4344349.cif
http://qiserver.ugr.es/cod/4344387.cif
http://qiserver.ugr.es/cod/4344914.cif
http://qiserver.ugr.es/cod/4344915.cif
http://qiserver.ugr.es/cod/4344917.cif
http://qiserver.ugr.es/cod/4344918.cif
http://qiserver.ugr.es/cod/5000163.cif