cyclopropanecarboxylic,nitrophenyl,sulfonyl,piperazinyl,methyl,ester,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
135038-30-11-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-((4-p-nitrobenzol)-1-piperazinyl)quinoline-3-carboxylic acid
194659-19-31-Piperazinecarboxylic acid, 4-(1-oxo-3-phenyl-2-propenyl)-,8-(4-methyl-1-piperazinyl)-2-naphthalenyl ester, (E)-
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid