acetamide,diphenylmethyl,piperazinyl,sulfonyl,hydroxy,1-piperazin,1-piperazinyl
1-Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
627509-10-8Carbamic acid, (4-propoxyphenyl)-,(1R)-1-(methoxymethyl)-2-(4-methyl-1-piperazinyl)ethyl ester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid