methyl,piperazinyl,rifamycin,1-piperazin,1-piperazinyl
Piperazinyl
861720-29-82H-Imidazol-2-one,1-(4-butoxyphenyl)-1,3-dihydro-3-[4-(4-methyl-1-piperazinyl)cyclohexyl]-
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
260560-51-83-Quinolinecarboxylic acid, 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-[4-(phenylsulfonyl)-1-piperazinyl]-