cyano,piperazinecarboxylic,phenylmethyl,ester,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
802539-81-74,5-DIHYDRO-N,1,4,4-TETRAMETHYL-8-[[4-(4-METHYL-1-PIPERAZINYL)PHENYL]AMINO]-1H-PYRAZOLO[4,3-H]QUINAZOLINE-3-CARBOXAMIDE
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid