piperazinecarboxylic,phenylthio,ethyl,ester,monohydrochloride,1-piperazin,1-piperazinecarboxylic,piperazine
1-Piperazin
920525-29-7Benzenebutanamide,N-hydroxy-a-[(7-methyl-2-oxo-2H-1-benzopyran-3-yl)methylene]-4-[3-(4-methyl-1-piperazinyl)propoxy]-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
920528-43-41-Piperazinecarboxylic acid,4-[6-[(1,3-benzodioxol-5-ylmethyl)amino]-3-pyridazinyl]-, ethyl ester
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid