piperazinecarbonitrile,hydroxyphenyl,1-piperazin,piperazine
1-Piperazin
6437-64-5benzenesulfonamide, N-(4-methylphenyl)-4-(methylthio)-N-[2-oxo-2-(4-phenyl-1-piperazinyl)ethyl]-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
90120-00-6Butanoic acid, 2-[(3-nitrophenyl)methylene]-3-oxo-,2-[4-(diphenylmethyl)-1-piperazinyl]ethyl ester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid