piperazinyl,pyridinecarboxylic,methyl,ester,1-piperazin,1-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
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
120944-33-42(3H)-Oxazolone, 3-acetyl-5-(2-(4-(3,5-dichlorophenyl)-1-piperazinyl)ethyl)-4-(4-fluorophenyl)-, monohydrochloride