http://qiserver.ugr.es/cod/1010309.cif
http://qiserver.ugr.es/cod/1010645.cif
http://qiserver.ugr.es/cod/1525051.cif
http://qiserver.ugr.es/cod/1528314.cif
http://qiserver.ugr.es/cod/2002202.cif
http://qiserver.ugr.es/cod/4003886.cif
http://qiserver.ugr.es/cod/9009345.cif
http://qiserver.ugr.es/cod/9009346.cif
http://qiserver.ugr.es/cod/9009347.cif