methyl,piperazinyl,imino,rifamycin,oxide,1-piperazin,1-piperazinyl
1-Piperazinyl
545364-71-4Methanone, [4-(4-chlorophenyl)-1-piperazinyl][3-(2,6-dichlorophenyl)-5-methyl-4-isoxazolyl]-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
93389-54-9Benzamide,N-[3-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]propyl]-,(2E)-2-butenedioate (1:1)
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid