1(2H)-Quinolinecarboxylic acid, 6-fluoro-3,4-dihydro-4-(hydroxyimino)-, ethyl ester 6-Fluoro-4-oximino-1-ethoxycarbonyl-1,2,3,4-tetrahydroquinoline 81892-44-6 Ethyl 6-fluoro-3,4-dihydro-4-(hydroxyimino)-1(2H)-quinolinecarboxylate