piperazinepropanamine,amino,1-piperazin,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
918796-70-04(1H)-Quinolinone,1-cyclopropyl-7-(4-ethyldihydroxy-1-piperazinyl)-6-fluoro-2,3-dihydro-3,8-dihydroxy-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid