hydroxy,hydroxyimino,piperazineethanimidamide,1-piperazin,piperazine
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
64061-92-31-Piperazineethanol,a-(2,3-dihydro-2-methyl-5-benzofuranyl)-4-phenyl-, acetate (ester),monohydrochloride
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid