http://qiserver.ugr.es/cod/1506336.cif
http://qiserver.ugr.es/cod/1506337.cif
http://qiserver.ugr.es/cod/1506338.cif
http://qiserver.ugr.es/cod/1506339.cif
http://qiserver.ugr.es/cod/1506340.cif
http://qiserver.ugr.es/cod/1506341.cif