http://qiserver.ugr.es/cod/1523359.cif
http://qiserver.ugr.es/cod/1523360.cif
http://qiserver.ugr.es/cod/1523361.cif
http://qiserver.ugr.es/cod/1528034.cif
http://qiserver.ugr.es/cod/1537980.cif
http://qiserver.ugr.es/cod/1537981.cif