http://qiserver.ugr.es/cod/1509359.cif
http://qiserver.ugr.es/cod/1509480.cif
http://qiserver.ugr.es/cod/1509512.cif
http://qiserver.ugr.es/cod/1538165.cif
http://qiserver.ugr.es/cod/1538168.cif