phthalazinone,piperazinyl,propyl,1-piperazin,1-piperazinyl
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
78808-04-52H,10H-Benzo(1,2-b:3,4-b')dipyran-2,10-dione, 8,9-dihydro-4-methyl-9-((4-(4-methylphenyl)-1-piperazinyl)methyl)-
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid