http://qiserver.ugr.es/cod/7222629.cif
http://qiserver.ugr.es/cod/7222690.cif
http://qiserver.ugr.es/cod/7222691.cif
http://qiserver.ugr.es/cod/7222830.cif
http://qiserver.ugr.es/cod/7222962.cif