Synthesis and crystal structure of 1-((7-hydroxy-3-(4-hydroxy-3-nitrophenyl)-4-oxo-4<i>H</i>-chromen-8-yl)methyl)piperidin-1-ium-4-carboxylate monohydrate, C<sub>22</sub>H<sub>22</sub>N<sub>2</sub>O<sub>9</sub>
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures