methanone,phenyl,phenylmethyl,piperazinyl,1-piperazin,1-piperazinyl
1-Piperazinyl
918668-11-83-Quinolinecarboxylic acid,1-cyclopropyl-7-(4-ethyl-3-oxo-1-piperazinyl)-6-fluoro-1,4-dihydro-4-oxo-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid