http://qiserver.ugr.es/cod/1510324.cif
http://qiserver.ugr.es/cod/1510522.cif
http://qiserver.ugr.es/cod/1523189.cif
http://qiserver.ugr.es/cod/1524467.cif
http://qiserver.ugr.es/cod/1538798.cif
http://qiserver.ugr.es/cod/1538801.cif