http://qiserver.ugr.es/cod/7228193.cif
http://qiserver.ugr.es/cod/7228194.cif
http://qiserver.ugr.es/cod/7228608.cif
http://qiserver.ugr.es/cod/7228609.cif
http://qiserver.ugr.es/cod/7228610.cif
http://qiserver.ugr.es/cod/7228635.cif
http://qiserver.ugr.es/cod/7228636.cif
http://qiserver.ugr.es/cod/7228637.cif
http://qiserver.ugr.es/cod/7228638.cif