http://qiserver.ugr.es/cod/1509124.cif
http://qiserver.ugr.es/cod/1510353.cif
http://qiserver.ugr.es/cod/1538829.cif
http://qiserver.ugr.es/cod/1538831.cif
http://qiserver.ugr.es/cod/1538833.cif
http://qiserver.ugr.es/cod/1538835.cif