Ethyl7-chloro-1-cyclopropyl-6-nitro-4-oxo-1,4-dihydro-3-quinolinecarboxylate;3-Quinolinecarboxylicacid,7-chloro-1-cyclopropyl-1,4-dihydro-6-nitro-4-oxo-,ethylester;Ethyl7-Chloro-1-cyclopropyl-6-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate
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