1(2H)-Quinolinecarboxylic acid, 6-chloro-3,4-dihydro-4-(hydroxyimino)-, methyl ester 6-Chloro-4-oximino-1-methoxycarbonyl-1,2,3,4-tetrahydroquinoline 81892-42-4 Methyl 6-chloro-3,4-dihydro-4-(hydroxyimino)-1(2H)-quinolinecarboxylate