benzonitrile,ethylidene,dioxopiperazinylidene,methyl,piperazinyl
Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
152735-29-04H-1-Benzopyran-4-one,8-[1-hydroxy-2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-3-methyl-2-phenyl-,hydrochloride (1:1)
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid