carbamic,ethyl,phenylmethyl,piperazinyl,ethylester
Piperazinyl
918796-78-83-Quinolinecarboxylic acid,1-cyclopropyl-7-(4-ethylhydroxyoxo-1-piperazinyl)-1,4-dihydro-6-hydroxy-4-oxo-
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid