pyridazine,diphenyl,piperazinyl,1-piperazin,1-piperazinyl
1-Piperazin
444892-62-01-Piperazinecarboxylic acid, 4-[2-amino-1-(4-methylphenyl)ethyl]-, 1,1-dimethylethyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
562815-50-3Carbamic acid,[2-[3,5-dimethyl-4-[4-[[(1-methylethyl)amino]carbonyl]-1-piperazinyl]-1H-pyrazol-1-yl]ethyl]-, 1,1-dimethylethyl ester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid