http://qiserver.ugr.es/cod/7203914.cif
http://qiserver.ugr.es/cod/7203981.cif
http://qiserver.ugr.es/cod/7203982.cif
http://qiserver.ugr.es/cod/7204003.cif
http://qiserver.ugr.es/cod/7204010.cif
http://qiserver.ugr.es/cod/7221277.cif