http://qiserver.ugr.es/cod/1511417.cif
http://qiserver.ugr.es/cod/1528589.cif
http://qiserver.ugr.es/cod/1528661.cif
http://qiserver.ugr.es/cod/1528662.cif
http://qiserver.ugr.es/cod/1528663.cif
http://qiserver.ugr.es/cod/1528668.cif
http://qiserver.ugr.es/cod/1536847.cif
http://qiserver.ugr.es/cod/9017819.cif
http://qiserver.ugr.es/cod/9017820.cif
http://qiserver.ugr.es/cod/9017821.cif
http://qiserver.ugr.es/cod/9017822.cif