http://qiserver.ugr.es/cod/1010285.cif
http://qiserver.ugr.es/cod/1010286.cif
http://qiserver.ugr.es/cod/1010581.cif
http://qiserver.ugr.es/cod/1010839.cif
http://qiserver.ugr.es/cod/1011337.cif
http://qiserver.ugr.es/cod/1011338.cif
http://qiserver.ugr.es/cod/1011339.cif