http://qiserver.ugr.es/cod/1509641.cif
http://qiserver.ugr.es/cod/1509908.cif
http://qiserver.ugr.es/cod/1509931.cif
http://qiserver.ugr.es/cod/1510204.cif
http://qiserver.ugr.es/cod/1510205.cif
http://qiserver.ugr.es/cod/2002391.cif
http://qiserver.ugr.es/cod/2002392.cif
http://qiserver.ugr.es/cod/2002393.cif
http://qiserver.ugr.es/cod/2002394.cif