benzoic,pyrimidinyl,piperazinyl,1-piperazin,1-piperazinyl
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
844875-94-1Pyrrolo[1,2-b]pyridazine-5,6-dicarboxylic acid,4-phenyl-2-(1-piperazinyl)-7-propyl-, diethyl ester