Citation: Yang, Hui-Fu; Xu, Shi-Hai (2010). catena-Poly[[[tetraaquaerbium(III)]-\m-oxalato-\k^4^O^1^,O^2^:O^1'^,O^2'^] [bromidobis(pyrazine-2-carboxylato-\k^2^N^1^,O)cuprate(II)] tetrahydrate]. Acta Crystallographica Section E, 66, pp. m874-m875.
Formula: C12 H22 Br Cu Er N4 O16
Chemical name:<i>catena</i>-Poly[[[tetraaquaerbium(III)]-\m-oxalato-\k^4^<i>O</i>^1^,<i>O</i>^2^:<i>O</i>^1'^,<i>O</i>^2'^][bromidobis(pyrazine-2-carboxylato-\k^2^<i>N</i>^1^,<i>O</i>)cuprate(II)]tetrahydrate]