benzoic,nitro,phenylmethyl,piperazinyl,1-piperazin,1-piperazinyl
1-Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
139294-99-8Benzo[b][1,6]naphthyridine-3,10(2H,5H)-dione,5-(2,4-difluorophenyl)-8-fluoro-1-hydroxy-7-(1-piperazinyl)-
501927-98-6Benzenesulfonamide,4-(3,5-dimethylphenoxy)-N,N-dimethyl-3-(1-piperazinylsulfonyl)-,monohydrochloride
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid