piperazinecarboxylic,chloroethyl,methyl,ester,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
918790-12-23-Quinolinecarboxylic acid,1-[(4-chlorophenyl)methyl]-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-,(4-chlorophenyl)methyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid