http://qiserver.ugr.es/cod/1526410.cif
http://qiserver.ugr.es/cod/1526411.cif
http://qiserver.ugr.es/cod/1526413.cif
http://qiserver.ugr.es/cod/1526415.cif
http://qiserver.ugr.es/cod/1526417.cif
http://qiserver.ugr.es/cod/1526419.cif
http://qiserver.ugr.es/cod/1526420.cif