quinoxalinecarboxamide,methyl,piperazinyl,carbonyl,amino,phenyl,1-piperazin,1-piperazinyl
1-Piperazin
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
140165-25-9Dodecanoic acid,1-(2,5-dihydro-2-hydroxy-5-oxo-3-furanyl)-2-[(4-methyl-1-piperazinyl)sulfonyl]ethyl ester