piperazinecarboxylic,phenoxyethyl,ethyl,ester,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
151821-16-81-Cyclopropyl-6,8-difluoro-1,4-dihydro-5-methyl-4-oxo-7-(3-methyl-1-piperazinyl)quinoline-3-carboxylic acid
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid