piperazinecarboxylic,methylsulfonyl,amino,phenyl,dimethylethyl,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
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
1054010-22-83-Quinolinecarboxylic acid, 1-cyclopropyl-6-fluoro-1,4-dihydro-7-[4-[2-(4-nitrophenyl)acetyl]-1-piperazinyl]-4-oxo-
900800-91-11-Piperazinecarboxylic acid, 4-[3-[(ethoxycarbonyl)amino]phenyl]-,1,1-dimethylethyl ester