http://qiserver.ugr.es/cod/1549372.cif
http://qiserver.ugr.es/cod/1549732.cif
http://qiserver.ugr.es/cod/1549733.cif
http://qiserver.ugr.es/cod/1549734.cif
http://qiserver.ugr.es/cod/1549735.cif
http://qiserver.ugr.es/cod/1549736.cif
http://qiserver.ugr.es/cod/1549737.cif
http://qiserver.ugr.es/cod/1549738.cif