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4-(N-Maleimido)benzophenone 4'-PIPERIDINOACETOPHENONE Norfloxacin 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid Ciprofloxacin 4'-PIPERAZINOACETOPHENONE 4,4'-Bis(diethylamino) benzophenone 1-(3-NITRO-4-PIPERIDINOPHENYL)-1-ETHANONE 4-MORPHOLINOBENZOPHENONE 1-[4-(4-METHYLPIPERAZINO)PHENYL]-1-ETHANONE