butanoic,phenylmethyl,piperazinyl,ethyl,ester,1-piperazin,1-piperazinyl
1-Piperazinyl
848121-98-22H-Benzo[a]quinolizine-3-carboxylic acid,10-fluoro-6,7-dihydro-6-methyl-2-oxo-9-(1-piperazinyl)-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid