http://qiserver.ugr.es/cod/1509296.cif
http://qiserver.ugr.es/cod/1528281.cif
http://qiserver.ugr.es/cod/1528282.cif
http://qiserver.ugr.es/cod/1528322.cif
http://qiserver.ugr.es/cod/1528323.cif
http://qiserver.ugr.es/cod/1528324.cif
http://qiserver.ugr.es/cod/1528325.cif
http://qiserver.ugr.es/cod/1538347.cif
http://qiserver.ugr.es/cod/9012470.cif