http://qiserver.ugr.es/cod/1527332.cif
http://qiserver.ugr.es/cod/1527696.cif
http://qiserver.ugr.es/cod/1527697.cif
http://qiserver.ugr.es/cod/1527698.cif
http://qiserver.ugr.es/cod/1528035.cif
http://qiserver.ugr.es/cod/1528075.cif