nitroso,piperazinyl,diphenylpentanenitrile,1-piperazin,1-piperazinyl
1-Piperazin
635718-27-36H-Purin-6-one,7-(2-butynyl)-1,7-dihydro-1-methyl-8-(1-piperazinyl)-2-(2-pyrimidinylthio)-, mono(trifluoroacetate)
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