piperazinesulfonamide,hydroxyethyl,dimethyl,1-piperazin,piperazine
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
657426-44-31-Piperazinecarboxylic acid,4-[1-[5-(2-fluoro-5-methylphenyl)-1,3,4-oxadiazol-2-yl]ethyl]-, ethyl ester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid