http://qiserver.ugr.es/cod/1000108.cif
http://qiserver.ugr.es/cod/1000109.cif
http://qiserver.ugr.es/cod/1000339.cif
http://qiserver.ugr.es/cod/1000340.cif
http://qiserver.ugr.es/cod/1005057.cif
http://qiserver.ugr.es/cod/1007209.cif
http://qiserver.ugr.es/cod/1511246.cif
http://qiserver.ugr.es/cod/1545916.cif
http://qiserver.ugr.es/cod/9015505.cif