pyridinyl,piperazinyl,pyridinamine,1-piperazin,1-piperazinyl
1-Piperazin
88985-84-63-Quinolinecarboxylic acid,7-(4-acetyl-1-piperazinyl)-1-ethyl-6-fluoro-1,2,3,4-tetrahydro-4-oxo-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid