carbamic,piperazinyl,propyl,nitrophenyl,methyl,ester,1-piperazin,1-piperazinyl
1-Piperazin
686773-91-13-Quinolinecarboxylic acid,1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-[4-(phenylmethyl)-1-piperazinyl]-,phenylmethyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid