http://qiserver.ugr.es/cod/1509003.cif
http://qiserver.ugr.es/cod/1510431.cif
http://qiserver.ugr.es/cod/1510474.cif
http://qiserver.ugr.es/cod/1510575.cif
http://qiserver.ugr.es/cod/1510778.cif
http://qiserver.ugr.es/cod/1524620.cif
http://qiserver.ugr.es/cod/1524621.cif
http://qiserver.ugr.es/cod/1537609.cif
http://qiserver.ugr.es/cod/1537610.cif