benzoic,acetyl,piperazinyl,nitro,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
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
652165-34-91H-Purine-2,6-dione,7-[(2-fluorophenyl)methyl]-3,7-dihydro-1,3-dimethyl-8-[4-(2-methylphenyl)-1-piperazinyl]-