3-Quinolinecarboxylic acid, 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-, compd. with 3-pyridinecarboxylic acid (1:1)
3-Quinolinecarboxylic acid, 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-, mono-3-pyridinecarboxylate
3-Pyridinecarboxylic acid, mono[1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylate]
Norfloxacin nicotinate