The crystal structure of <i>catena</i>-poly[5-aminonicotinic acid-k<sup>1</sup> <i>N</i>-m<sub>2</sub>-bromido-copper(I)], Cu(C<sub>6</sub>N<sub>2</sub>H<sub>6</sub>O<sub>2</sub>)Br
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures