piperazinecarboxylic,methylthio,ethyl,ester,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
151821-16-81-Cyclopropyl-6,8-difluoro-1,4-dihydro-5-methyl-4-oxo-7-(3-methyl-1-piperazinyl)quinoline-3-carboxylic acid