http://qiserver.ugr.es/cod/1511643.cif
http://qiserver.ugr.es/cod/1511752.cif
http://qiserver.ugr.es/cod/1524707.cif
http://qiserver.ugr.es/cod/1524708.cif
http://qiserver.ugr.es/cod/1525094.cif
http://qiserver.ugr.es/cod/1525431.cif
http://qiserver.ugr.es/cod/1537954.cif
http://qiserver.ugr.es/cod/1537955.cif
http://qiserver.ugr.es/cod/1537957.cif
http://qiserver.ugr.es/cod/1540993.cif