http://qiserver.ugr.es/cod/1510379.cif
http://qiserver.ugr.es/cod/1524272.cif
http://qiserver.ugr.es/cod/1524411.cif
http://qiserver.ugr.es/cod/1524547.cif
http://qiserver.ugr.es/cod/1538010.cif