http://qiserver.ugr.es/cod/1532826.cif
http://qiserver.ugr.es/cod/1532994.cif
http://qiserver.ugr.es/cod/1532996.cif
http://qiserver.ugr.es/cod/1532998.cif
http://qiserver.ugr.es/cod/1533000.cif
http://qiserver.ugr.es/cod/1533002.cif
http://qiserver.ugr.es/cod/1533004.cif