http://qiserver.ugr.es/cod/1510787.cif
http://qiserver.ugr.es/cod/1524044.cif
http://qiserver.ugr.es/cod/1524706.cif
http://qiserver.ugr.es/cod/1525430.cif
http://qiserver.ugr.es/cod/1527200.cif
http://qiserver.ugr.es/cod/1538745.cif
http://qiserver.ugr.es/cod/1538748.cif
http://qiserver.ugr.es/cod/1541120.cif