methyl,piperazinyl,ethyl,aniline,1-piperazin,1-piperazinyl
1-Piperazinyl
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
870002-18-9Carbamic acid, butyl-,1-[[4-(2-methoxyphenyl)-1-piperazinyl]methyl]-2-(2-oxo-1-pyrrolidinyl)ethyl ester, dihydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid