benzonitrile,piperazinylthio,1-piperazin,1-piperazinyl,piperazinyl
1-Piperazin
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
850887-48-81-Piperazinecarboxylic acid,4-[cis-4-cyano-4-(3-methoxyphenyl)cyclohexyl]-, 1,1-dimethylethyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid