http://qiserver.ugr.es/cod/1010049.cif
http://qiserver.ugr.es/cod/1010050.cif
http://qiserver.ugr.es/cod/1010101.cif
http://qiserver.ugr.es/cod/1010102.cif
http://qiserver.ugr.es/cod/1010103.cif
http://qiserver.ugr.es/cod/1010204.cif
http://qiserver.ugr.es/cod/1010380.cif
http://qiserver.ugr.es/cod/1010849.cif