benzenamine,methyl,piperazinyl,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
65274-83-11-Piperazinecarboxylic acid, 4-(2-(4-(3-(trifluoromethyl)phenyl)-1-pip erazinyl)ethyl)-, phenylmethyl ester, (E)-2-butenedioate (1:2)
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid