Crystal structure of (RS)-4-(3-carb­oxy-1-ethyl-6,8-di­fluoro-4-oxo-1,4-di­hydro­quinolin-7-yl)-2-methyl­piperazin-1-ium 3-carb­oxy-5-fluoro­benzoate

Feng, S.; Zhu, G.-L.; Sun, J.-J.; Chen, C.; Zhang, Z.-H.

doi:10.1107/S2056989018016961

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
A perspective view of (I)

showing the N—H⋯O and O—H⋯O hydrogen-bonding interactions (dotted lines) between the two kinds of chains. `Acidic' chains, i.e. chains involving only the anion, are shown in red for clarity.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 1| January 2019| Pages 68-70

https://doi.org/10.1107/S2056989018016961

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